MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised WordPress upload storage and disposable hosting, suggesting a link farm designed to redirect users. The PDF structure and link farm behavior are consistent with phishing or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://holocaustresearch.pl/nowy/photo/file/mililavoveruwi.pdf
- http://aliglobshop.com/userfiles/file/39724721128.pdf
- http://patrick-vallot.com/upload/files/sasisotezixeperazep.pdf
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/253156357ee79188c9957f967e22dc44/vopuwo.pdf
- http://dlshixiang.com.cn/ckfinder/userfiles/files/gonozu.pdf
- http://skolicka.eu/foto/images/file/71973316504.pdf
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b8aecb3de4---12183725165.pdf
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/160aa26eb98578---35004066388.pdf
- http://vinaaquachem.com/uploads/files/71048933539.pdf
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607952980f204---25461290339.pdf
- http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dfdb1b26b35---94329303593.pdf
- http://golden-candies.ru/webroot/files/files/sujejofadewavorifin.pdf
- http://niestachow.pl/data/aktualnosci_imgs/file/6300441772.pdf
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/mane8ajhmnhp6gtrigmnftb0f2/15870756485.pdf
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f3096135c48---dukovorilap.pdf
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160ae36755cc55---81527862520.pdf
- http://ksnjl.com/userfiles/files/kalimuwuvatotev.pdf
- http://absolutelyneon.com/userfiles/file/tolipivixevobukugo.pdf
- http://artospace.com/pics/file/jitetij.pdf
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1608eb08eb6af7---daxonelixibataw.pdf
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160b1b4b4eb2a3---74934858290.pdf
- http://biafrapol.pl/pliki/file/14459581339.pdf
- http://ducthoaudio.com/upload/files/27859285630.pdf
- http://gillsandgeckos.com/userfiles/file/33647223232.pdf
- http://zs-oilfieldequip.ru/d/files/jirulu.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=exponential+population+growth
- 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_off0000dc65.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC65 | 16792 bytes |
font_01_sfnt_off0000f477.bine3788a529456dc0c36e9adb1cb2604afc69e09869c66a6ae81ce0bc0450b2db2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF477 | 20440 bytes |
font_02_sfnt_off000127bf.bine8d7752981bb6b60ed98d5180f554f97a1610ed29fbe5b82c1b51430361ee0c4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127BF | 10632 bytes |
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