MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many of which point to other PDFs hosted on compromised websites or disposable domains, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these linked documents.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
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://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/0f2f50c27cea057acc7f39659601f362/9589279245.pdf
- https://hosrem.org.vn/ckfinder/userfiles/files/sovukeseranoramib.pdf
- https://kabelkyaobuv.sk/editor_uploads/files/zejulupomi.pdf
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bac6fb45722---wotozadisobelileto.pdf
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c861e65117---risapuzaberugozadu.pdf
- http://kulturazebrak.cz/userfiles/13310879477.pdf
- http://krasneclanky.cz/uploads/niruvipuzinaxizikedoja.pdf
- http://zafirkort.com/uploads/files/53295453570.pdf
- http://sostrevalli.it/userfiles/files/wokogejufegafisarij.pdf
- https://magerp.org/upload/files/24434876200.pdf
- https://ascend.sut.ac.th/ce/2017/src/plugins/ckfinder/userfiles/files/5797337586.pdf
- http://smart-ventures.ch/upload/Editor_Images/files/manopitidovinunalib.pdf
- https://foundryindia.org/userfiles/file/magexeguzetawigosuxizema.pdf
- http://apluskleaning.com/admin/images/file/43476994011.pdf
- http://coiffurenais.com/userfiles/file/fizemo.pdf
- http://tpokebar.com/uploads/files/77056612173.pdf
- https://soalmatematik.com/userfiles/file/bevakutugufumubijut.pdf
- http://jorkurojus.com/userfiles/file/nezobo.pdf
- http://playbabydoll.com/userfiles/file/79746213161.pdf
- https://citytrafik.nu/images/file/86326175051.pdf
- http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a276b1dd7a8---90543377610.pdf
- http://wedding-ideas.ru/ckfinder/userfiles/files/fatojojekemaxugetipuwaruf.pdf
- https://fotokeramika.bg/userfiles/file/57992230580.pdf
- https://alternatifhirdavat.com/upload/ckfinder/files/pawanofenorutukagefegajon.pdf
- http://atol-res.pl/uploads/file/monav.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=compare+and+contrast+stories+5th+grade+worksheets
- 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_off0000cad8.bin52ebc8763c87127e24b5c1b419139e164b4884af7774c1fefc9364cadb5ffe09 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAD8 | 11260 bytes |
font_01_sfnt_off0000e4ff.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4FF | 16792 bytes |
font_02_sfnt_off0000fd11.bina200594dd1f222fa99eab7c39f499c5332d0a1381fb5df9e7673e57ecfdc4e73 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD11 | 16536 bytes |
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