MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF file flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier as malicious. It contains numerous external URIs, including one pointing to a raw IP address and others hosted on compromised WordPress sites and disposable domains, suggesting a phishing or malware distribution scheme. The presence of these links indicates an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 7
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://shqinze.net/admin/upimg/file///sepilizokiwiriwosopekeb.pdf
- http://electric-kernbichler.at/sanaso.pdf
- https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/9ebf2fb7b77452aa6df4ce7845b0b9d1/folizoribimavor.pdf
- http://barsugo.com/ckfinder/userfiles/files/xuratav.pdf
- http://www.feniuniversity.edu.bd/app/webroot/ckfinder/userfiles/files/74266033420.pdf
- http://z-sinpro.com/upload/files/visaramejaxilipafuketu.pdf
- http://tcgardening.com/userfiles/file/2021092302570073499.pdf
- http://full814.com/upload/files/98246360164.pdf
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16140369c707c3---paxutodidoki.pdf
- http://szjwwj.com/userfiles/file///wazizoporafavodesetuser.pdf
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613f7ccb0ce9d---52319272758.pdf
- https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/161368c2ab2cc8---volebexa.pdf
- https://balajitutorial.com/admin/userfiles/file/zujaxifika.pdf
- https://tgvl.in/uploads/fck/files/silusitiribubiv.pdf
- http://178.62.148.222:300/ckeditor/ckfinder/userfiles/files/venaxodazedu.pdf
- http://ud2-140.com/files/motilirupumawujefeporozi.pdf
- http://autowagon.it/userfiles/files/puzisix.pdf
- https://www.milestonesmn.org/ckfinder/userfiles/files/72450317858.pdf
- http://jyjjapan.jp/files/ckeditor/files/dojizud.pdf
- http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/04afb2472642f107a200abbeb095b653/vewekokajivu.pdf
- http://soleilboo.com/images/uploads/files/nafakusupegelu.pdf
- http://fujavietnam.com/images/Download/37149373686.pdf
- http://htbestcomputer.com/media/ftp/file/65065208319.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=bus+simulator+ultimate+mod+apk+free+download
- 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_off0000b0dd.binba077e16bfbbb9997c1ef0169f7364956a64110368afc2a484849d990e32ebbc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0DD | 15368 bytes |
font_01_sfnt_off0000d787.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD787 | 16792 bytes |
font_02_sfnt_off0000ef9e.bin2a77994b8eff1a75923eca0cf533df0560391b2928de57f49e9575a13a7b856b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF9E | 10988 bytes |
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