PDF malware analysis — malicious · 699a6d0e7f305fc6

MALICIOUS

PDF

218.4 KB Created: 2021-08-14 05:09:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-14

MD5: bbb00293c1e3c8aae75887b331af7825 SHA-1: e266b1cc6eece148cffac1ab6df11ffc52c918c8 SHA-256: 699a6d0e7f305fc6f940773a79c4099092f42d8235a814570152b8fe335502f8

134 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF was flagged by a machine learning model and ClamAV as malicious, specifically as a phishing trojan. It contains multiple links pointing to compromised WordPress upload directories, suggesting an attempt to host and distribute malicious files. The presence of these links indicates a phishing or social engineering attack vector, likely intended to trick users into downloading further malware.

Machine Learning

Nyx PDF Classifier malicious score 0.9800

Heuristics 6

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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.
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 https://pixomot.ru/uplcv?utm_term=nuvole+bianche+chords+guitar PDF link annotation
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d90bf4c7de9.pdfIn PDF document text
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608464a8ba531---39642878157.pdfIn PDF document text
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ed68790e6e---duxojapizokagarutebavepe.pdfIn PDF document text
- http://sunnysolutions.it/uploads/assets/file/sevumuxotazagojed.pdfIn PDF document text
- http://winkeleninzundert.nl/uploadimages/files/95082673444.pdfIn PDF document text
- https://zippy-inc.com/app/webroot/userfiles/files/17846112206.pdfIn PDF document text
- http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c78ba353bb---givudogobigolo.pdfIn PDF document text
- http://mudrberanova.cz/userfiles/file/21441955273.pdfIn PDF document text
- https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/50c206rgrbb36pcbjs36sk7scr/zekajaxusasudobovox.pdfIn PDF document text
- https://himalayanwanderer.com/himalayan/userfiles/files/92960306492.pdfIn PDF document text
- https://lacecinella.com/writable/public/userfiles/file/xiroviwenim.pdfIn PDF document text
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a4e3749ad64---81165732909.pdfIn PDF document text
- http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/d43hldm1cgnolr44qnag4n2lv5/72829143215.pdfIn PDF document text
- https://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/53cd4111ce6069ed13c97e5b643d1bc5/25971110993.pdfIn PDF document text
- https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/racob22hhm5fn16s5681dfrabd/dupukuf.pdfIn PDF document text
- http://www.bufolari.com/public/immagini/file/65956272466.pdfIn PDF document text
- http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/ff8b11dc58aa16ca3a3bc6058e1c1d04/wubowinakezudemenibab.pdfIn PDF document text
- http://oshcongregation.com/userfiles/file/nizolalunuvirukafi.pdfIn PDF document text
- http://fitsiluet.cz/data/file/rofixinepawaxujaje.pdfIn PDF document text
- https://misionesmedellin2030.com/wp-content/plugins/super-forms/uploads/php/files/60nbjnjcs1cbrmim23f49r64cj/53665544653.pdfIn PDF document text
- https://xn--i1aam8cb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/fe92edf61a9d939b11e13eab90bfe635/rinatuvakubokakuwana.pdfIn PDF document text
- http://labradory.pl/file/jadunan.pdfIn PDF document text
- https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/2e75c810e66df8acc6b8add2b3f4ca83/52112747698.pdfIn PDF document text
- http://ideal-site.ru/userfiles/file/63984243607.pdfIn PDF document text
- 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_off0002fbeb.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2FBEB	10932 bytes
SHA-256: `94e7284d266b50945b5d99721a8cf42e2cd1263e6a1eb65a2f671e32d6162460`
`font_01_sfnt_off00031504.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x31504	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_02_sfnt_off00032d16.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x32D16	18024 bytes
SHA-256: `1a786c8e30327d3e9feb5632963925b91d121a23ac13b300cf099feb541a8538`

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