MALICIOUS
156
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 reveal it functions as a link farm, directing users to multiple websites hosted on compromised CMS uploads, a common tactic for phishing or malware distribution. The presence of numerous distinct hosts and the use of 'utm_term' parameters suggest an attempt to obscure the true destination and potentially leverage SEO for wider reach.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/48533611d04c1d9760cbb1d7c947d36e/28548210651.pdf
- http://dailymaydemtien.com/userfiles/files/wujovosif.pdf
- https://wipaphun.com/UserFiles/File/24870008494.pdf
- https://biblioteka-koneck.pl/ckfinder/userfiles/files/gixulomonokejo.pdf
- http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16086e9ba02a1d---46966766819.pdf
- https://wickedcheesy.com/images/file/gulupol.pdf
- http://daindnc.com/fckeditor/userfiles/file/74553001341.pdf
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fa70044bf53---xafomoxej.pdf
- http://www.maarsehoveniers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a26912380cb---29934440816.pdf
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161150c9dba233---bufigafatuxuwigatokok.pdf
- http://tragiaocolamsapa.com/userfiles/image/file/bemozekinem.pdf
- https://gamedunyasi.com/calisma2/files/uploads/49788474372.pdf
- http://brilliantsolarpaneling.com/userfiles/file/33016341782.pdf
- http://thepokewave.com/uploads/files/73461458532.pdf
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f7c2968c2c0---matekajekubote.pdf
- http://kingsbrite.com/kingsbrite.com/userfiles/file/63748903806.pdf
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608572c7e8e80---nerazotomabege.pdf
- http://magnachip.cn/userfiles/file/20210521233117.pdf
- https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/817e35a01efb1ba43c98767cae07a773/6272824337.pdf
- https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/38f80b52c7a150cc85c393e797419ce9/fevokavu.pdf
- http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/bb4c0b8620cc17b7c3435b646474c518/28369096260.pdf
- https://baoholaodong24.com/userfiles/file/rawisaxavanegewepopavu.pdf
- https://autosaloncenter.com/uploads/file/zetumokefez.pdf
- http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/160c468dec8ff7---sagigabaxifuwimo.pdf
- https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/160986c9943550---25114634890.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=verger+boiron+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_off0000c557.binac82faa585456daa43eec47daac0c2a55dcb1b461794496a1051269f0686b2d7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC557 | 16792 bytes |
font_01_sfnt_off0000f0f7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0F7 | 16792 bytes |
font_02_sfnt_off0001090e.binc6eaf7b3aa2dc6e372eb9946dc30f1f1d4ba3fb90e0ea42000212ba11414d3a3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1090E | 10308 bytes |
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