MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The numerous embedded URLs point to compromised WordPress upload directories and disposable hosting, indicating a likely phishing or malware distribution campaign. No scripts were extracted, but the overall structure suggests the PDF serves as a lure to external malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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=town+of+chilmark
- http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d39cf74678f---8866273539.pdf
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608228907c647---5520739135.pdf
- http://animalscipublisher.com/files/upfiles/file/52672900050.pdf
- http://colorfulmedia.de/fotki/fotki/file/17485549884.pdf
- http://baloneacessorios.com/_upload/file///52718461745.pdf
- https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/093e1bde5e2f1a83b2f03d5c51a9c47d/medifirofenunufifu.pdf
- http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/6016d7bed36f08d09b4a451f01abdfd7/11998188962.pdf
- http://picassogift.com/Uploadfiles/files/76146127570.pdf
- http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b45dd65dd72---36186914769.pdf
- http://videofilm-tv.ru/content/File/34221343118.pdf
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16076c8820548d---pufimutijuput.pdf
- http://xn--80aikni6a0b.xn--p1ai/images/file/61988034871.pdf
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a997dd4ce70---voxojajebubew.pdf
- https://cor.org.ar/wp-content/plugins/super-forms/uploads/php/files/lf7p4vu6h8dkea1rdu6cc6f45r/45848888758.pdf
- https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/fea53d5483b152984ee8305b22049e04/38594273883.pdf
- http://leesfeest.nl/leesfeest/sites/default/files/file/xipimo.pdf
- http://voszveszprem.hu/_user/file/budeligegokutagop.pdf
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076dee2c5e1e---82651177284.pdf
- https://bem-sa.com/img/file/miravibebuteluxosudodoweg.pdf
- http://botosani.ro/img/uploads/file/rosudove.pdf
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d62ff21a6d---mumaguwilawijapa.pdf
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/0a4b3dfd2d57081f3bd23b09cdd99476/67255417273.pdf
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/1607608c53a74a---74541419805.pdf
- http://scheidenschiedam.nl/uploads//file/gekonuzanuvumonuvepev.pdf
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/cgktd971qv7e1qpolubpu3v216/wilemovadirenelanawum.pdf
- http://chanakyaaerospacedefence.com/userfiles/file/65358258174.pdf
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/8da5975c4248974547148b8939e32c27/tujinevojakazeb.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_off0000f101.bin3da40408ccf6c55b9394cbe08cbb40118d71d04c23a8ee63ee2afc4b58fee31b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF101 | 10344 bytes |
font_01_sfnt_off0001081d.bin3bf63653ce2d42ea90919942d2b3fad4e55d3f38061925da0bbe96c8be7721c1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1081D | 17632 bytes |
font_02_sfnt_off0001367f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1367F | 16792 bytes |
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