MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by a machine learning classifier and ClamAV as malicious. It contains numerous links, many pointing to compromised CMS upload directories and disposable hosting, suggesting a link farm designed to redirect users. The document body is unreadable, but the heuristics indicate a pattern of hosting malicious content on compromised sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://remont-elektro.eu/archiv/file/38471374579.pdf
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc39db282a---dutodad.pdf
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160731076b8a12---rigodoboz.pdf
- http://escuelasfutbol8.com/docs/files/navizukazufalelu.pdf
- http://good163.cn/Uploadfiles/files/rataketizetogadomutu.pdf
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/e6a53d30f26b16e657c89f56aaad546d/lubivibokunox.pdf
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16079016c42bd5---24914416186.pdf
- https://e-lightingcontrols.com/wp-content/plugins/super-forms/uploads/php/files/9dc5af192613a669d7dd1eb86bac2aba/46597516474.pdf
- https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/9fb0f0acd4e5c43d0af319c7a0dbf743/jivuvufujul.pdf
- http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160acd20732a0f---puxezurefadezawevofebo.pdf
- http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16070953da9960---72968414224.pdf
- https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160a6d22549316---mixuki.pdf
- https://dodatnagarancija.com/userfiles/file/dajoxupizafuzi.pdf
- https://studiorampinelli.com/file/zedupavopewaw.pdf
- https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160da2d253a9e2---rumisome.pdf
- https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b16440827e6---21368383403.pdf
- http://thanuyentea.com/ckfinder/userfiles/files/sevaninanekuxereniwutije.pdf
- http://sity-luxe.ru/userfiles/file/dipemodesosifemem.pdf
- http://colescastle.com/clients/875019/File/bumepota.pdf
- http://cn-junsheng.com/upload/file///20216108795164.pdf
- https://mgc.to/sites//web/upload/files/mufadebidifabelusibog.pdf
- https://terravistahometeam.com/wp-content/plugins/super-forms/uploads/php/files/38721e78328bd2561bc2d72246fac0d2/segakidip.pdf
- https://coimbatorepressclub.com/FCKeditor/userfiles/file/gijavekelil.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=what+is+the+past+tense+of+help
- 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_off0000f2b6.binbf81891406eaaa1d5a3627e5db8d0a4c51cbc4290a860298d43f0540c740679a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2B6 | 10348 bytes |
font_01_sfnt_off00010a08.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A08 | 16792 bytes |
font_02_sfnt_off0001221a.binf510f944df9ae38fd02fcbeebbfa0571a0dfa0fabb9e07b2cc6e3e9b5ff6510a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1221A | 17404 bytes |
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