MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs, many of which point to compromised WordPress installations and disposable hosting domains, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. The presence of 'utm_term' parameters in some URLs suggests SEO manipulation to lure victims.
Machine Learning
- Nyx PDF Classifier malicious score 0.9820
Heuristics 8
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079f80b24a1d---73780798732.pdf
- https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160828eeab5b2c---pusuzowekegegubitikawo.pdf
- http://01host.ru/userfiles/files/86841483619.pdf
- https://agronlogistics.com/userfiles/files/koludemadu.pdf
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1418e9b388---wupijefivokukuxideb.pdf
- https://aulacvn.com/upload/fck/file/tuzubesalavosoxogubozo.pdf
- http://naturallabs.fr/userfiles/file/redefulimevadene.pdf
- http://ersatzmonitor.de/userfiles/file/25763301927.pdf
- https://www.bocamvigliesrooms.com/wp-content/plugins/super-forms/uploads/php/files/ef8ed66bf4730418b55227661cb4317e/59841852800.pdf
- http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/c53f1dc8069fd4f6b8aa18578cb15332/78936281948.pdf
- http://rydelko.pl/userfiles/file/13607080164.pdf
- https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074d995cce00---puwonilex.pdf
- https://www.proctoloji.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607204c3c1354---ratoxexubuzufi.pdf
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b941e5481d9---rularojixakajezulanetetuw.pdf
- https://buka.ru/sadm_files/pazuvim.pdf
- http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bcab908c5b---dulanalamefudida.pdf
- http://www.kickcommerce.com/userfiles/file/49115866480.pdf
- https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/64689ef2a3b759a8be275112b93c66e8/modimenuminajoni.pdf
- http://bagiez.de/userfiles/file/82644257688.pdf
- http://anaminfo.com/attachfile/file/85313146444.pdf
- https://prawobrzeze.info/userfiles/file/newegekukejexujefez.pdf
- https://saunadlaciebie.pl/userfiles/file/kepeb.pdf
- https://agenciaboom.com/wp-content/plugins/super-forms/uploads/php/files/pm0nksd1pak7tkdohaph49kr14/70188655692.pdf
- http://quickvideo.nl/userfiles/file/bekujupuwamalu.pdf
- https://www.m2asolutions.com/wp-content/plugins/super-forms/uploads/php/files/ecb34965445395f03f4fb2a63921be5f/lokejumulezopil.pdf
- http://suacona.com/clients/16856/File/47475194584.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=child+safety+questions+and+answers
- 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_off000117a1.bin4b06a8b2abea7c64bef27d2adb2d00cb6e86f0c5d9bd8ef491d1d33906d2edd8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117A1 | 10928 bytes |
font_01_sfnt_off000130c7.bin00b39f4fa213e916caaac6918f856a7eba02916c950f555cf3b14974aa3af8d3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130C7 | 17048 bytes |
font_02_sfnt_off00015d61.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15D61 | 16792 bytes |
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