MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The presence of numerous links pointing to compromised CMS upload directories and disposable hosting indicates a link farm designed to redirect users. The document body is heavily obfuscated and contains no readable content, suggesting its primary purpose is to host these malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF 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.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall 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.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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://metabolit-plus.ru/files/file/19590491142.pdf In PDF document text
- http://hengtaixin.com/HangShun/ckfinder/userfiles/files/6928225306.pdfIn PDF document text
- http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/tk1rt1sj7tpd3pjk015bdmi2kn/93267262892.pdfIn PDF document text
- https://anfauglir.com/images/file/sakipurimojaf.pdfIn PDF document text
- http://www.naraihillgolf.com/admin/userfiles/file/burif.pdfIn PDF document text
- http://medica-eg.com/userfiles/file/26901276572.pdfIn PDF document text
- https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/161164455c95ac---79217249942.pdfIn PDF document text
- https://alohasafaris.com/files/temejipuf.pdfIn PDF document text
- https://realestateconnect.biz/wp-content/plugins/super-forms/uploads/php/files/noimckpqb5v47n2tvrs3nauuj3/7611861377.pdfIn PDF document text
- http://mixmarketing.vn/upload/fck/file/5351334039.pdfIn PDF document text
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/16131d7437ace4---20611567089.pdfIn PDF document text
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160fa5b387a2ea---takamajubetoviwizodu.pdfIn PDF document text
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfbc733b331---jusuxusapezofu.pdfIn PDF document text
- https://bonpetsupply.com/wp-content/plugins/formcraft/file-upload/server/content/files/160872ca302f54---38965566499.pdfIn PDF document text
- http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160b76bcc04011---88085967971.pdfIn PDF document text
- http://innotack.com/userfiles/files/45230772056.pdfIn PDF document text
- http://anhbanglaw.com/userfiles/file/xuwijarogiveroxenapewa.pdfIn PDF document text
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fd658116b0---vakebivadodarogavufona.pdfIn PDF document text
- http://adas-muko.pl/photo/file/23418248826.pdfIn PDF document text
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/1c1263f0f7de4910f0333658e958978d/91130790103.pdfIn PDF document text
- http://www.agenbenangbandung.net/file/16459814861.pdfIn PDF document text
- http://orourkelawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vemivivanetagepefuta.pdfIn PDF document text
- https://noblacklist.pro/web/img/podborky/files/fuxemexageparamuwasuzolog.pdfIn PDF document text
- http://szao-spb.ru/images/news/file/sipokapajek.pdfIn PDF document text
- https://webupdate.ca/wp-content/plugins/super-forms/uploads/php/files/n4s7vrakhrb46vp8bf1nvcd6qd/famizonadivolijaxid.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=gcse+maths+foundation+algebra+worksheetsPDF 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_off0000e43b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE43B | 11380 bytes |
SHA-256: 6c98e21338eb8d089bd0d5a017a8caf33e1aa36e7bd8c8f4ad49c0a4bcd19944 |
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font_01_sfnt_off0000feba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEBA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000116cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116CC | 17592 bytes |
SHA-256: 84d7784a87ca4108d3752b3772b0472d6723602619a8002538062bfbeff92d0e |
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