MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. The heuristics indicate it contains a link farm pointing to compromised WordPress upload storage and a callback lure, suggesting it's designed to trick users into calling a fraudulent number. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing or scam attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
Heuristics 7
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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 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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160998ebce7062---tazat.pdf
- https://www.movingwithmagna.com/wp-content/plugins/super-forms/uploads/php/files/cca4679e2e44a64f2a15a8051ed2ac3c/85230836634.pdf
- http://hurtowniagrafit.pl/userfiles/file/3780326599.pdf
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/28f36367590799b497e0cd504e069c14/ronuwelupikemi.pdf
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b1f2cb1203f---robepazedawezumalebixite.pdf
- http://andrelandberg.com/userfiles/file/83558074947.pdf
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/gdbr8uqpom806dim58ki1sv63i/32098061270.pdf
- http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609562ec92e8b---xewovikos.pdf
- http://sieuthibongda.net/ckfinder/userfiles/files/zewekosus.pdf
- https://vinadesigndanang.vn/uploads/image/files/89897843460.pdf
- http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608bee280325d---9828290690.pdf
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160841f5ab4f91---98814734924.pdf
- http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070828ea9879---96042599342.pdf
- https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/160cd4f61bfe7e---99192323251.pdf
- http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f77f208e74---3937850235.pdf
- http://ehomeforeclosure.org/images/file/fudaximukabapefubebo.pdf
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160992edb8bd39---kebed.pdf
- http://myxroad.com/upload/userfiles/file///nefixerukinipi.pdf
- http://nguyenthaotech.com/upload/files/79015297549.pdf
- http://skikk.eu/app/webroot/files/userfiles/files/xavuzipebowoniziwubejujuz.pdf
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ade29b00d62---vupefojavawegida.pdf
- http://fashioncenterpoint.com/wp-content/plugins/super-forms/uploads/php/files/26c71b02daa4896a9767ec0f56fc1230/47597404136.pdf
- https://bloomeng.com/uploads/81340022476.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=disco+lights+background+video+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_off0000ed07.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED07 | 16792 bytes |
font_01_sfnt_off00010519.bin1cd03b4d9dbd77c0359524285402963558c852e98c47860f2495a5ab579145e2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10519 | 17156 bytes |
font_02_sfnt_off000131dd.binf3b6df03667aafcf8bc6d3c99870442cbf5f7f063de10318a06ea44eace31d00 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131DD | 11132 bytes |
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