MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple compromised or unknown domains, likely for phishing or malware distribution. The presence of numerous external URIs and link farm indicators strongly suggests a malicious intent to redirect users to harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/312a2350f148c0395b04eb14844f4af1/51263794644.pdf In PDF document text
- https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/ncb9bqdm1pb6jp6no8c9jc6gq5/14290946190.pdfIn PDF document text
- http://charivne.info/images/file/44426092170.pdfIn PDF document text
- https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/eon3rnpe8ebiaj830rkliupdh2/vavevevusovulugu.pdfIn PDF document text
- http://dorp.pl/userfiles/files/matopixosulok.pdfIn PDF document text
- https://accesoriosalmayor.com/images/userfiles/file/67111153363.pdfIn PDF document text
- http://agisma.ru/files/pages/files/xukidilo.pdfIn PDF document text
- https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/7cb990235d33d2de26b8ac060885f593/93672832057.pdfIn PDF document text
- https://bawwabatrizq.com/userfiles/file/litotuzutejo.pdfIn PDF document text
- https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/0f1c46c10af2d6f4f6361375e8b364da/76995561582.pdfIn PDF document text
- https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/d84986bdb479f57ee137991bb4568b58/65121523081.pdfIn PDF document text
- http://omg50yrs.com/clients/6/6d/6dc66c997efb3e4e8ce6e6e7d0694e91/File/96311743919.pdfIn PDF document text
- http://faxik.ru/ckfinder/userfiles/files/16463290646.pdfIn PDF document text
- https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/q09v7mn37s6960qrtr2ucs08f6/mowozadapoxo.pdfIn PDF document text
- https://jasz-pap.hu/UserFiles/file/xivaramebafedapidovuf.pdfIn PDF document text
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607254cdcd3f5---52599543885.pdfIn PDF document text
- https://eyetracking.pl/userfiles/file/dekesonejoxapiw.pdfIn PDF document text
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c15eb510919---pitiruzotepopu.pdfIn PDF document text
- https://contact-house.com/fckeditor/upload/file/65459031900.pdfIn PDF document text
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e1c06de1f2---15563520254.pdfIn PDF document text
- https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/aa18afc76e74ba761da1866362a06e22/dupekakipuvevog.pdfIn PDF document text
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/jpejuorr9qsmtlueu1dqg7ff0i/tajefowelozexira.pdfIn PDF document text
- https://houstoncoinshow.org/FCKeditor/file/63728410053.pdfIn PDF document text
- https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/cd2a33a8e8eca14b5f3d8c8f7e3744aa/viwimosetula.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=run+out+of+steam+meaningPDF 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_off0000c13e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC13E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d955.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD955 | 10556 bytes |
SHA-256: 25ec8a700ffd95c007e8aac0ce732b89d624ba556ec80be115afc1c5a71844ab |
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font_02_sfnt_off0000f177.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF177 | 15904 bytes |
SHA-256: 7dd3ca1206f9f08c6caf18fbc2311c9000616e9bc67ab275556631a5e5672c64 |
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