MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple external websites, some hosted on compromised CMS uploads. The presence of numerous unknown URLs suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://renetravel.ro/images/files/26037459939.pdf
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/21d8ff7e03638f4714b98b056a6b13cd/zuvavusujatu.pdf
- https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/us3pmvfus1l9079j6gf03402dc/22516388913.pdf
- http://kinel-hunter.ru/upfiles/file/puwidenojenela.pdf
- https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608738a252043---49096964148.pdf
- http://bogaarchitetti.it/userfiles/files/13008598701.pdf
- https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/p6c1hn709f0klnlmk4cqk6g7rl/jitobotizatijeweliwob.pdf
- https://yarpaket.ru/userfiles/file/72769586222.pdf
- https://tomas-music.com/contents//files/27175611634.pdf
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160afc58b9123e---fabajatadinatovozevusi.pdf
- http://thaiboxes.com/piceditor/file/xizadi.pdf
- https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/f9e9b55536521ad82a3c8b16f541f734/tezeberuvibafajoremujele.pdf
- http://allmedicus.com/userfiles/file/lewomirerixuwede.pdf
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16096485f22d97---xutikoluvipeka.pdf
- http://phunggia.biz/userfiles/file/tubefuluwej.pdf
- http://agro-partner.com/Image/files/87297690872.pdf
- http://compufoxmail.com/userfiles/file/kokulamo.pdf
- http://lncxjzxxw.com/upload_fck/file/2021-6-5/20210605021847875975.pdf
- http://skrabl.pl/www/rpbd/fck/file/pemufeforitumigotej.pdf
- http://chocoenglish.com/_UploadFile/Images/file/kopatokipiw.pdf
- http://hotelborgodeipoeti.com/userfiles/files/36889307246.pdf
- http://zjhywt.com/images/upload/File/vatuvajifek.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=25+adverb+of+manner
- 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_off0000e813.binff65fdb12ff15bafeb85f2e5bc44b0d98a263070b48b49792a7d128311bb131c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE813 | 10476 bytes |
font_01_sfnt_off0000ffe1.bin744266dfa1dc67d23abdb4df7c9907cdbdc8541288c19e9a395e169b92b43aa1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFE1 | 16960 bytes |
font_02_sfnt_off00012be1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BE1 | 16792 bytes |
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