MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or trojan payload. Heuristics reveal it functions as a link farm, with numerous URLs pointing to compromised WordPress sites, likely serving as a distribution point for further malicious content. The document body is heavily obfuscated and unreadable, providing no direct clues to its specific purpose beyond the presence of embedded URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075fd3ad74d6---dusotosira.pdf
- https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/df86fcaaa3ffdc457fa4c5897102387c/6972913676.pdf
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160a573720f5c4---69060709755.pdf
- https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/9e530859eccf5b0ffd628263c29440f8/67662789727.pdf
- https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/76203953d69043d88cecd6ca32dc65eb/nimikobamigal.pdf
- https://reflexlighting.com/wp-content/plugins/super-forms/uploads/php/files/bb768054dd466919d4b6b05a481045c2/58772213497.pdf
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/0a20c2e80318eece63e6d2be0aad1155/dadepizev.pdf
- https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/e6630a20c224089cb2df40f7c2825a1b/wuduzadixus.pdf
- https://diaochue.vn/userfiles/file/biruwuxekosakog.pdf
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fd6741e5b6---93799711481.pdf
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1609b9c2907b61---zanupaxobimovetolemaduwo.pdf
- http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16081105c2bdc4---35474055177.pdf
- https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/160900cc7ae26d---vulegoxakofudek.pdf
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ceb3e1ec73---99280272778.pdf
- http://clinicaveterinariabilancino.it/userfiles/files/jaxenamupapapijurotiro.pdf
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/md8cvlkem50m201j50egjeeaoa/81913316743.pdf
- https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/27c57731508778f266e2e76fa6fdb509/84678517638.pdf
- https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/0dcd0815867d719e1fe31d0fd83bceb9/30530157022.pdf
- https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/i4hg17t1nqgus4u7i5fmdsnqr8/89250893524.pdf
- http://mpu-beratung-brendle.de/userfiles/file/fipukubesekezev.pdf
- http://younewstoday.com/task/userimages/file/18378747312.pdf
- http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16088a08a8c1f5---ponejudopiwaxidam.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=mind+blowing+questions+about+life
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ed1f.bin3849057cd6b6636e82418e5da892c80449a373ebb87d503dbfa7a66787c6d7c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED1F | 17072 bytes |
font_01_sfnt_off00011992.bin19c85b1a6fe2d8c889887b5c37f422b3ec275939d26104e4c34e2ae85219aa8a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11992 | 10896 bytes |
font_02_sfnt_off00013270.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13270 | 16792 bytes |
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