MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to disposable hosting or compromised CMS uploads, suggesting a link farm designed to redirect users to potentially malicious sites. The PDF structure and link farm behavior are consistent with phishing or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://abwclayton.com/uploads/files/kadukozo.pdf
- https://www.peltonfell.org.uk/ckfinder/userfiles/files/legudufer.pdf
- http://tomaszfilipczak.pl/userfiles/file/bajugemeranuvomerarog.pdf
- https://zebcom.in/userfiles/file/tefavok.pdf
- http://indago-rovigo.it/userfiles/files/79765481638.pdf
- http://orbitsecurity.qa/pro_mvp_tech/uploads/file/jawibakofesadibulefimazu.pdf
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613772966e4fd---funetodenova.pdf
- http://iltorg.ru/upload/file/bevez.pdf
- http://www.gleason.com.au/application/third_party/ckfinder/userfiles/files/52838494735.pdf
- https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/9e8gcsql894keq3543igid5irr/18089606182.pdf
- http://uni-soar.com/userfiles/file/kigakubogom.pdf
- http://gzcil.com/uploadfile/files/wejazetovogaruzotefeji.pdf
- https://nusamulticentralestari.com/Uploads/userfiles/files/61661985386.pdf
- https://bizimpin.com/calisma2/files/uploads/lasiwuxurenozat.pdf
- https://open-call.fr/uploaded/files/96238028292.pdf
- http://www.findvoters.com/userfiles/file/52241942684.pdf
- http://hennel.hu/sources/elemek/file/43996713499.pdf
- https://pieseautocomenzi.ro/userfiles/file/85007024127.pdf
- http://beiwendq.com/userfiles/file/nadawigoserelijokenixur.pdf
- https://dellrein.ru/content/file/67114555645.pdf
- http://flemingdecal.com/uploads/assets/file/80089401881.pdf
- http://www.smartlandgroup.com/ckfinder/userfiles/files/lujugetasaladurolokiraw.pdf
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1614114d792407---11901013680.pdf
- http://architettorobertafasola.eu/userfiles/files/46580061693.pdf
- http://ecohort.com/userfiles/files/gopiwipijekowoloxu.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=pac+man+app+for+android
- 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_off0000f168.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF168 | 16792 bytes |
font_01_sfnt_off0001097a.bina744d91c3a007a6c386a0e23501cb0d6ae7dc25e1e527c1251c7bca2e7c9fd9c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1097A | 18100 bytes |
font_02_sfnt_off00013830.bin0508319be742bd4f233bf1f225df4d090fe633b715dfe1232f950a58827b0d77 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13830 | 10336 bytes |
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