MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains numerous links, many of which point to compromised WordPress upload directories or disposable hosting, suggesting a link farm designed to distribute malicious content or phish users. The presence of multiple PDF link farm heuristics reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://namngonviet.vn/user-/files/rufososupapupuzofatol.pdf
- https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613e68e6afd3d---popuraruzutix.pdf
- http://tai-yang.tw/taiyang/upload/file/25627275412.pdf
- http://17njl.com/userfiles/files/jubuvege.pdf
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133fa2f6e104---85337085179.pdf
- http://autoscuolepintozzi.it/userfiles/files/53155322069.pdf
- http://lecostationery.com/files/file/wetini.pdf
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1612ea85f3809a---11297604733.pdf
- http://tries.cz/media/images/upload/file/28175553642.pdf
- http://sakem.org/userfiles/files/dadonomipokexuxatuwusutip.pdf
- https://inprovitperu.com/ckfinder/userfiles/files/gedigamuzunis.pdf
- http://kientam.info/uploads/userfiles/file/dujewibubokufo.pdf
- https://namratalakhotia.com/userfiles/files/lobovifeniripebulaniv.pdf
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/15gf1cf81uvqn765uoavdc9ljf/27342912888.pdf
- https://imaggu.com/ci/userfiles/files/11584897967.pdf
- http://adirondackseafood.com/ckfinder/userfiles/files/97153357005.pdf
- http://kochamsushi.pl/UserFiles/file/pafabiregupe.pdf
- https://www.le-domaine-de-hauterive.fr/ckfinder/userfiles/files/gogukeduxomazuru.pdf
- https://austarpharma.austarchina.com/upload/files/nirin.pdf
- http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/161428a57e4e27---11940024147.pdf
- https://ihotel2b.com/upfiles/editor/files/tozidesubuwapivuzidepud.pdf
- https://duhocblueocean.vn/ckfinder/userfiles/files/90847201207.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=gta+sa+gta+v+mod+apk
- 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_off0000d4ed.bin0d786e0f4f06d28ca832d366c7f8b41b73e26c14f020c2765a8e6a1849f0b6b7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4ED | 17384 bytes |
font_01_sfnt_off0001021a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1021A | 16792 bytes |
font_02_sfnt_off00011a31.bin2aea42e9d4b5776e224a8ae22dfa208e8858ca39b2b62a9a28409ef36d9408ff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A31 | 10456 bytes |
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