MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as 'Pdf.Phishing.Trojan'. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a phishing or malware distribution campaign. The presence of embedded URLs and the nature of the heuristics indicate an attempt to redirect the user to malicious content, likely exploiting a PDF vulnerability or employing social engineering.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://archism.ru/uplcv?utm_term=ten+cate%27s+oral+histology
- https://aljazeerahpetroleum.ae/userfiles/files/solurolokorifawavifeputeg.pdf
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c78bf43e4b5---wuzebekumibosak.pdf
- https://sandzak.best/wp-content/plugins/super-forms/uploads/php/files/8ed85726fbc03c91fb15f4df5a76253c/73161480321.pdf
- https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/eee8cfd6358572715e06aded5ea9d94d/maxakavafemerasometisan.pdf
- https://agatanorek.com/files/file/bimekozipan.pdf
- https://bluebeakbranding.com/wp-content/plugins/super-forms/uploads/php/files/559f0215c76228ac785c2963b647dad0/jodizidufezapenabade.pdf
- http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b85df2b5453---95458299867.pdf
- https://glycocalyx.nl/userfiles/image/file/rorazulamomud.pdf
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/9282e76ecdd4590d7f41b278b4727bb5/juxakufoludepuwazogenilof.pdf
- https://myphi.biz/nbloom/fckuploads/file/xaxuzunafimefalutafunup.pdf
- http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/7f082e54349a5f076d62a5388d02d574/zumali.pdf
- http://cloverpark1959.com/clients/51168/File/40076782233.pdf
- https://egokituz.eus/files/galeria/files/gadukatazap.pdf
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160d6b1fc172f3---79319682130.pdf
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607057e1a1e28---luwowefaboze.pdf
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607192896153a---tunubejukegajeziwatew.pdf
- https://davebakeragency.com/wp-content/plugins/super-forms/uploads/php/files/13fd808d74e21dd20a3966ad51f53e6d/59572818707.pdf
- https://kme.pl/global/app/webroot/uploads/file/16231723159105.pdf
- http://kmkonsult.cz/userfiles/file/runoxidarabovugo.pdf
- https://soechi.net/userfiles/file/lirivojevinopibo.pdf
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/160708fad59e99---xoribasuparem.pdf
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/d6cdeca02d6ed06b322d3071be333ac3/24750279728.pdf
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/16088b8cf71c6a---80502306031.pdf
- 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_off0000b968.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB968 | 16792 bytes |
font_01_sfnt_off0000d17f.bin35499b06fac16a592d616412990226926588f5bfb0253254c0de2a92d4a5b5c7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD17F | 10620 bytes |
font_02_sfnt_off0000e9cd.bin6d43a8df01af63d10f0c34ca0567f386f2af9f9ae465941b1c80463007c6550f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9CD | 15544 bytes |
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