MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified numerous embedded links, many pointing to compromised WordPress installations, suggesting a phishing or malware distribution campaign. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports the idea that this document is part of a link farm designed to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607955d8a53f9---nodufaniwat.pdf
- https://autotrans911.com/thread/admin/uploads/file/tolopawaxat.pdf
- https://sweetburden.com/upload/users/files/diwatilobigenasoves.pdf
- http://umffz21.ru/admin/ckfinder/userfiles/files/74923870978.pdf
- https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160713523521c8---sikeguzuzerujozixelo.pdf
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/c9fded09036f9b62ff4f5034ddf38862/zamizoriw.pdf
- http://notariocprietoa.com/notaria/documentos/files/85106044862.pdf
- https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/9ef21271488bf53931ad4a429486fad5/19599452161.pdf
- http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/160c00ce0db737---dikonejodopobu.pdf
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be42496da36---78857107931.pdf
- http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1606f61b65d025---dugiranavojiw.pdf
- https://keralahappyjourney.com/ckfinder/userfiles/files/59225059490.pdf
- http://tksvolga.ru/userfiles/file/duxebotajimoxokivimujo.pdf
- https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/9c651a8038a348e18fb80fbf65332f10/73284111502.pdf
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1606d28ec3f9bf---tinozefilok.pdf
- http://vom-ragnaroek.de/uploads/file/4443387932.pdf
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6cc2e9ef2a08c8c3d7cb4079a073bc76/53588931071.pdf
- https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/26b870f821fd70730eb10048eb7333fa/64996057256.pdf
- https://netshopnepal.com/userfiles/file/40090953971.pdf
- https://computerzone.pk/file/84451351654.pdf
- http://srsheicha.com/uploadfile/file/56440416861.pdf
- https://immo-macedo.lu/userfiles/files/fevomoronawek.pdf
- http://flexa.cz/docs/file/37154471817.pdf
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4a38188bc1---wivelikozelob.pdf
- https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b5957704301---liwuwoxakuw.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=elevated+iron+in+blood
- 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_off0000f1fd.binb21b92fb13d5d0dcb20daf1934e3dcece9ec5720399e9344c1b2bd71391e06b8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1FD | 18072 bytes |
font_01_sfnt_off0001217d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1217D | 16792 bytes |
font_02_sfnt_off00013994.bin116112d96a84c443bc28affdf6073fbcb98f2df1aa0cdd76b5ab4120b574b557 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13994 | 10264 bytes |
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