MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier indicating a high probability of maliciousness. The heuristics indicate the PDF acts as a link farm, directing users to compromised WordPress upload storage and other disposable hosting sites. This suggests an attempt to distribute malware or conduct phishing operations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076510ba861e---wubakawegu.pdf In PDF document text
- http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d07a72d984---solizozudinoratulorof.pdfIn PDF document text
- https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/ju020ron3js7pvlachgma86ogd/gapavisolijemogomiruf.pdfIn PDF document text
- https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/dpl99ob54ip4cl2t6p4g444fb8/7552336221.pdfIn PDF document text
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c97dafcde85---revedoreto.pdfIn PDF document text
- http://dsm-trhs68.com/clients/8/81/818e764d3414495a915a5f66638dc9bf/File/19302502794.pdfIn PDF document text
- https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/9ba02d9d0a1a627cd533eb6c10e0ab25/doxem.pdfIn PDF document text
- http://longchimvac.net/app/webroot/uploads/files/61558412465.pdfIn PDF document text
- https://cultureresortpokhara.com/assets/userfiles/files/62248724148.pdfIn PDF document text
- http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/160876380b35d3---59786248939.pdfIn PDF document text
- https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/4a2f776e8d5aad31af411e9cd6a3c672/zakageraben.pdfIn PDF document text
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/hafnofs8cj3r1f33vvogkinbfv/mepazosagaso.pdfIn PDF document text
- http://www.hgbehringer.de/img/files/files/wuruf.pdfIn PDF document text
- http://zrdb-drogbud.pl/Upload/file/pifolilosizutijawofana.pdfIn PDF document text
- http://sea-cruise.ru/ckfinder/userfiles/files/25386762729.pdfIn PDF document text
- http://aaronandanthony.com/userfiles/files/zupugef.pdfIn PDF document text
- http://wearefamilypalestine.com/clients/3/3b/3bc38fc23f9ffb54b20226cbd6ad6ce3/File/nivuluvigagu.pdfIn PDF document text
- https://big-cash.de/wp-content/plugins/super-forms/uploads/php/files/n9v0aj2rittv3annv64hv5d81g/jedavuz.pdfIn PDF document text
- http://sms-dk.com/FileData/ckfinder/files/20210825_CC6943DBAA745F75.pdfIn PDF document text
- http://gulfcoolcontracting.com/uploads/userfiles/file/file/fubedexobasemo.pdfIn PDF document text
- http://poexali.org/static/image/_u/system/files/lumapijogikabazejurokul.pdfIn PDF document text
- https://open-call.fr/uploaded/files/vaxazigesikob.pdfIn PDF document text
- http://yourhealthyanswer.com/ckfinder/userfiles/files/95041585877.pdfIn PDF document text
- http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160989764a55aa---gufovurerevedetudefave.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=institutional+ownership+stockPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f312.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF312 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010b24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B24 | 18680 bytes |
SHA-256: a02a3b6ead0e8c20ad4031d20ae9dc04f167388ae88cbd7f8f1268c571501f2d |
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font_02_sfnt_off00013b90.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B90 | 10700 bytes |
SHA-256: 89f19150822df5c3d460445ded289b97cd4443f5dec66a1e708c1cdd207744ff |
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