MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to compromised WordPress upload directories, indicating a link farm designed to host or redirect to malicious content. ClamAV detection as 'Pdf.Phishing.Trojan' and ML classification further support its malicious nature. The primary attack pattern involves luring users through a malicious attachment to these compromised sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 6
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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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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.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ec9d2ee705---satijor.pdf
- http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/16098d39a2eab2---79213828059.pdf
- https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/129f8b3410f8d21f9e251d680931c444/27238368507.pdf
- https://maggies-handmade.com/UserFiles/files/69981284657.pdf
- https://ventadeterrenosurbanos.com/userfiles/file/kanutazuzobir.pdf
- http://studiofapas.it/userfiles/files/67707683827.pdf
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160c5c5a923cd1---46034251570.pdf
- http://tvoirostov.ru/ckfinder/userfiles/files/jeselexajenupaf.pdf
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/0dfe651d8e12764ee3edc4baab602b8d/12504364978.pdf
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/bd5336463b56506e214af4588780a2ff/tosigusizosimetifuzim.pdf
- http://www.deopendeur.org/imgUser/file/rufiduwijasox.pdf
- http://aihyang.com/userfiles/file/26599465550.pdf
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d3dee4d3f5---sabefifirukabapefepigob.pdf
- http://linkingpeople.info/userfiles/file/dufozimusuxudumedeparim.pdf
- https://www.explosivo.gr/wp-content/plugins/super-forms/uploads/php/files/d66095f7eb3d4622127a2cacdf980576/3003394820.pdf
- http://atallmed.com/userfiles/files/51889570004.pdf
- https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/8gvk056mnle7crq44e8ukt1296/bexevumorapelati.pdf
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a00afc234e5---bidun.pdf
- http://monkey-do.net/userfiles/file/lovitamofujegamexa.pdf
- http://www.elitagida.com.tr/wp-content/plugins/super-forms/uploads/php/files/m754ue1lss8mkj36ale1chjgh0/39964389681.pdf
- https://alutat.com/data/file/74345401406.pdf
- https://thewaves.net/wp-content/plugins/super-forms/uploads/php/files/1l98blph19bcrqqs10ii3act36/jiniselonisex.pdf
- https://rpitrade.com/ckfinder/userfiles/files/34178476347.pdf
- https://5uempat.com/contents//files/27183615251.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=kinds+of+asexual+reproduction+in+plants
- 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_off0000e56f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE56F | 16792 bytes |
font_01_sfnt_off0000fd86.bin502c2ed112838661416e50446ff0e4088597cbc88208fc294babd3acbf912cc8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD86 | 10808 bytes |
font_02_sfnt_off0001168c.bine864bd2e5c36803d89bedace3e83c31d4665e8b39f6d4c2f611c76894e5ea51e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1168C | 16156 bytes |
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