MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous embedded URLs, many pointing to compromised WordPress upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The primary attack pattern involves luring users to external content, likely for phishing or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://coretry.ru/uplcv?utm_term=superman+red+son+animated+movie
- http://proxima-design.cz/files/file/16826914258.pdf
- https://asset-books.com/userfiles/file/zokodu.pdf
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a0b4cd7a0cb---tazopemezepunide.pdf
- https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082dfc34dbb8---xajoruzinezirawojomulutu.pdf
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/b0d4c0c17b081b29ecfb360d769abdf7/mediro.pdf
- https://hkparkkonutlari.com/image/files/kexiperidevabobaxiziz.pdf
- http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b88690e9f62---11846831085.pdf
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160cb1e5b0e75b---46557716934.pdf
- http://www.520amis.com/upload/files/60326015736.pdf
- http://marinapogon.pl/upload/file/51929566709.pdf
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606d0f832451e---vizirusobutize.pdf
- http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/npsnrfg8tm7nk1hm3l0nolublh/16439190540.pdf
- http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/n9q1ggakj1ol1lufhnkeb6u6c6/67360622473.pdf
- http://alexhoffordphotography.com/temp/files/file/zubogewo.pdf
- https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/6a68qd6mjmdl7p90cinudfpprf/13545623159.pdf
- https://adikkeempat.com/contents//files/42894309023.pdf
- http://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606efbbce0aff---jixerapuvadejexuz.pdf
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a41f2183d6f---leduzogefugewenomuvolusu.pdf
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160770eb86e399---xomuruliwolu.pdf
- https://ises.ca/phpsites/vertical_living/uploads/file/71984377926.pdf
- http://rideabikenews.com/user_img/files/42463485844.pdf
- 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_off0000eaf1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAF1 | 16792 bytes |
font_01_sfnt_off00010303.binc968f12cb203709acfb58ad223ffc96914454cedceb1437042aaeaefb5c4d6f1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10303 | 16564 bytes |
font_02_sfnt_off00012db9.bin9aac825bec045819fccd4fceb54141d922bbc7dc5b7c8529d7c388663b118ccb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DB9 | 10748 bytes |
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