MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to compromised WordPress sites, indicating a link farm designed to distribute malicious content. ClamAV detected this file as 'Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0', and an ML classifier also flagged it as malicious. The presence of embedded URLs and the nature of the heuristics strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9928
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://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160e0bb85e4b60---tomikataw.pdf
- https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/16073dfe30f244---fifasetara.pdf
- http://www.rkcomdesignservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d3432f07ba---88488301594.pdf
- https://avvocatoboretti.com/file/jupamoda.pdf
- https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/82f3818856bfdab5a86a74aa0a9f22f3/49455618081.pdf
- http://lulanjina.net/upload/files/wavizazuje.pdf
- http://hysansam.com/fckeditor/userfiles/image/jivuxegetojewuniwa.pdf
- https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608219ef16f25---7676101102.pdf
- http://fontanarosaserigrafia.it/userfiles/file/sepisemelazelekisevo.pdf
- https://nikken-engineer.jp/export/sd205/www/jp/r/e/gmoserver/8/6/sd0748886/nikken-engineer.jp/fckeditor/upload/file/xivijuwutulogipivutasid.pdf
- https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/q45iul72uqnoq70s8dbm158m63/xiwekofowazupurazifamosu.pdf
- http://bobhendrix-law.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/mikekasimoranekogu.pdf
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160df4893d8089---gazapinabuziwek.pdf
- http://aaaexpressheating.com/userfiles/file/14593134464.pdf
- http://schodylux.pl/userfiles/file/64457913874.pdf
- http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608afbcb1c097---68095687414.pdf
- https://www.expoagrogto.com/wp-content/plugins/super-forms/uploads/php/files/f5dqcfcs5u30skoq5ot1uphpe3/banut.pdf
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608ae4b354123---49393607953.pdf
- http://energo-winstal.pl/userfiles/file/vejigumukolijoxu.pdf
- https://www.expoagrogto.com/wp-content/plugins/super-forms/uploads/php/files/rlavvu9fj9c27f3du2ba9hjoi2/gezapoxowakamubori.pdf
- https://vico-domrep.com/ckfinder/userfiles/files/mijalo.pdf
- http://circuitvietnamcambodge.com/hinhanh/file/64244631672.pdf
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609fd5a13907b---33104194612.pdf
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca76f0accd---ritixawagamogila.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=chemical+engineering+project+pdf
- 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_off00011ec4.binbea1cb414059af39f9dc34907289f9baa501b7420522c3150f2de1113377c59e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EC4 | 11060 bytes |
font_01_sfnt_off00013817.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13817 | 16792 bytes |
font_02_sfnt_off00015029.bin8bcf6986c23dba7fc6d658f90729942ddaef7e6c86d1fd2115600b5791398388 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15029 | 17024 bytes |
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