PDF malware analysis — malicious · d7fbaf46a50fa6eb

MALICIOUS

PDF

90.0 KB Created: 2021-07-03 09:50:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-09-14

MD5: dbe25f1471e2b45a2965b35500e4a8af SHA-1: d8fe1174f4c639f8ed53b1f99932cf3c9b26e6a7 SHA-256: d7fbaf46a50fa6ebbeadd530c5e4d4bcdf714ca770bd0022e88de08f7206cfbe

164 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous links to compromised WordPress upload directories, indicating an attempt to host malicious content. The presence of a 'link farm' heuristic and the ML classifier's high confidence score suggest a malicious intent to redirect users to potentially harmful sites. While no scripts were explicitly extracted, the PDF structure and URL patterns are consistent with phishing or malware delivery attempts.

Machine Learning

Nyx PDF Classifier malicious score 0.9822

Heuristics 7

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM

PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
Urgency / deadline lure low SE_URGENCY_LURE

Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/160818c4a9126e---19410278333.pdf In PDF document text
- https://carcarnet.com/home/sandbox/domains/hkdance.tritek.hk/public_html/ckfinder/userfiles/files/jagukijibekuripidaselisob.pdfIn PDF document text
- http://thomas-reunion.com/clients/8/86/86f5f051d314e00f57792b8428d7085d/File/71668726057.pdfIn PDF document text
- http://crystalnymph.by/wp-content/plugins/super-forms/uploads/php/files/779f7aaf0cb00ec8271c05ec0ede1409/79461771810.pdfIn PDF document text
- https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf618aaedc2---judeditamamunupa.pdfIn PDF document text
- http://bochosushi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071a24d056e0---42132102408.pdfIn PDF document text
- https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/3702a4563497ef358aa0294e450a4879/xazovoruviratixe.pdfIn PDF document text
- https://butagallery.com/userfiles/files/79872347495.pdfIn PDF document text
- http://alexlunacoach.com/img/editor/file/sibetotugaruduxazusewas.pdfIn PDF document text
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160702959bfd1b---58511573180.pdfIn PDF document text
- https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/b929b279728f15ac4b688d35da06f3f6/65696036422.pdfIn PDF document text
- http://rdmsrl.it/userfiles/files/fenupanutan.pdfIn PDF document text
- http://eotp.info/sites/default/files/fck/file/61739791907.pdfIn PDF document text
- https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f630c104ad---71961112005.pdfIn PDF document text
- https://gites-les-bardots.com/userfiles/file/dadulazunu.pdfIn PDF document text
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/4ca32c77ceb27e11e40be3e19f35b77b/66020558488.pdfIn PDF document text
- https://a1-recruitment.fr/v2011/Files/fck_upload/file/28246738781.pdfIn PDF document text
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/1608c9694b6aba---bepul.pdfIn PDF document text
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/75c56d65496452828930176169469a23/72016730650.pdfIn PDF document text
- https://www.eoluk.com/wp-content/plugins/super-forms/uploads/php/files/a0b60pvl3gooinmi5ld28q2jah/kobokolo.pdfIn PDF document text
- https://prosegik.com/wp-content/plugins/super-forms/uploads/php/files/b21489dcdb0912abb90d1549672c4d28/dawigosaritopezevimiluv.pdfIn PDF document text
- https://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/a3b137810dce931226a77dd8fe17ccd3/89384132954.pdfIn PDF document text
- http://sylvianapoles.com/clients/e/e6/e63d90d46a840f0b3195f531cec11f6e/File/tukufekedojolajesi.pdfIn PDF document text
- http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073961ff129b---57831451221.pdfIn PDF document text
- https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/df03ad4d5a580f0ddbb23359ce988afa/geneferuwomevudagubuwijid.pdfIn PDF document text
- https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a387e1ef94f---60309575147.pdfIn PDF document text
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d7f9095f083---ruwojifisot.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=moose+security+systems+manualsPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000fd12.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFD12	10600 bytes
SHA-256: `7ea094eef957417fd8d1ca8507dd22d546956f1c6a82c070e22b005f22bfb419`
`font_01_sfnt_off00011554.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11554	17264 bytes
SHA-256: `5ed88ae2484b728bd18463840a837e38f6c69d48eb2925ab4cd0f7a4eb86a7eb`
`font_02_sfnt_off00014276.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x14276	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`

Open this report in the interactive analyzer, or submit your own file for analysis.