MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a link farm pointing to multiple compromised websites, likely intended to trick users into downloading malicious files. The ClamAV detection and ML classifier strongly indicate malicious intent, classifying it as a phishing trojan. While no scripts were directly extracted, the presence of numerous external links suggests an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9885
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 http://volker-issmer.de/userfiles/file/3910938890.pdf In PDF document text
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/e9qf8g98iiur8das09ruteb196/75445508541.pdfIn PDF document text
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a88639ed89---71458905642.pdfIn PDF document text
- https://yssnewlessons.org/UserFilesTwo/file/bexekegaratupiferufedagu.pdfIn PDF document text
- https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606ef4056faf2---zedurisuferokipevi.pdfIn PDF document text
- http://ilovegabal.net/fckeditor/_upload/file/givekonatedug.pdfIn PDF document text
- https://kimansion.com/uploads/file/duluvotifivep.pdfIn PDF document text
- http://ifaistos.reality.gr/~triantaf/images/file/jawiguxasegixoxudubi.pdfIn PDF document text
- http://imaginove.eu/data/Files/35001856074.pdfIn PDF document text
- http://plncse.hu/php_data/file/14375932676.pdfIn PDF document text
- https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/2d15eecd9545435a3e33dbe7d64a3350/30229619504.pdfIn PDF document text
- https://organicfertilizerproduction.com/d/files/mezubetula.pdfIn PDF document text
- https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/c379665340c7154b2d6c034a1c605003/23367664495.pdfIn PDF document text
- https://www.prestigeautobody.com.au/wp-content/plugins/super-forms/uploads/php/files/ce35da78dceaa85ce17a0f7ae6093360/sojovuwukurax.pdfIn PDF document text
- https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/lnprnp2fklboje3dtl50cpvh5q/kidizirabepos.pdfIn PDF document text
- http://tortsurprise.ru/upload/redactor/files/werunokevaserikevasame.pdfIn PDF document text
- https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/1vtmfq2fd011o5t0ka54p315q3/ditodosu.pdfIn PDF document text
- http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a5e7177f85c---bekuzimadoxokefarerufiwu.pdfIn PDF document text
- https://eyescare.vn/app/webroot/upload/ckfinder/files/64013924982.pdfIn PDF document text
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/nm2qaiq5eioggin74rbsa7fant/zifevosujaxojotoj.pdfIn PDF document text
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608acdd606e12---90091367242.pdfIn PDF document text
- https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/ul1pf34p25ec3is09rs8t0n64b/gusinije.pdfIn PDF document text
- http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/6d2b9fed234c1141be990c82059c6b17/zabumekugoxuguvele.pdfIn PDF document text
- http://interface-referencement.com/userfiles/file/dulidek.pdfIn PDF document text
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d67d50cf20---90404414218.pdfIn PDF document text
- http://atut-biuro.com/uploaded/file/lodenofafik.pdfIn PDF document text
- http://grandp.ru/userfiles/file/22202168767.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=download+fifa+18+apk+and+obbPDF 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_off0000c53b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC53B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dd52.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD52 | 10572 bytes |
SHA-256: 8ff0ede4f6368759048d55dd03b55c717fe609c238343d0be75e63c5e4be5064 |
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font_02_sfnt_off0000f551.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF551 | 18784 bytes |
SHA-256: ed96a3ebf8a8db0035615ee35cc812e18b2fff895b99f6c85c5437013be7beb7 |
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