MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160704c8a58d39---32277048186.pdf In PDF document text
- http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/9630ffc759eb7d4f614266bc23ee1fe8/pitukiligiwolevavuruxiw.pdfIn PDF document text
- http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/d209ff112649ff9632b7fef2815e86ca/52712146074.pdfIn PDF document text
- https://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/de23d77d68374a0e432fc2e9796b2493/20285738544.pdfIn PDF document text
- http://shosholoza.de/file/puwojorib.pdfIn PDF document text
- https://elpmarketing.ca/wp-content/plugins/super-forms/uploads/php/files/3741c702f57e20c60d2b4fff8f504aa7/47901521.pdfIn PDF document text
- https://k2salight.com/wp-content/plugins/super-forms/uploads/php/files/60fd8fbdda1cd41f2ec5291849a00541/42840194827.pdfIn PDF document text
- https://advance-pack.com/editor_upload/file/81309418754.pdfIn PDF document text
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609cd1c580ec4---rotesup.pdfIn PDF document text
- http://alexanderkanevskyartgallery.com/clientMedia/file/sewerobip.pdfIn PDF document text
- http://jfk1969nola.com/clients/873000/File/feduv.pdfIn PDF document text
- http://atdawnwelift.com/userfiles/file/fodijulazawokibikozu.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/5be46dcdda222eb19595efdc8a939565/2917126687.pdfIn PDF document text
- http://healhumanity.foundation/userfiles/file/71536886901.pdfIn PDF document text
- http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/619bf6769a794783b316453197be1386/rediso.pdfIn PDF document text
- http://beergolfers.com/blog/images/file/joredo.pdfIn PDF document text
- http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/160a37cc002d03---89016256526.pdfIn PDF document text
- https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/jcpa1rgn0c12msbvplmkgd8rdd/53090507077.pdfIn PDF document text
- https://www.andrecampbell.ca/wp-content/plugins/super-forms/uploads/php/files/d67e2c2195041ec39d37e50f45e549ef/8881751505.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=anandam+telugu+movie+free+downloadPDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000effb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFFB | 5188 bytes |
SHA-256: d6f0dbde84da18762b9df4ab4f05f01e489c6392dba96730d8ab60c04adbbfc8 |
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font_01_sfnt_off000101a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101A2 | 10808 bytes |
SHA-256: 5ce889d3f6132e06f29b3512dd8ea93bcb6cae53e27539cd302ea3973d68a85f |
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