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. It functions as a link farm, containing numerous URLs that point to various websites, some of which are hosted on compromised CMS uploads. This suggests a phishing or malware distribution campaign, where users are lured to malicious sites by clicking on the embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://fgosvo.ru/files/files/17706878987.pdf
- https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/88242a513042e2937e4ba2a69ed81766/16398958238.pdf
- http://stopguepes72.fr/userfiles/file/85527987012.pdf
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/302fad881f5d3a8aa41d3ced9540f0a3/bosobolozezufopanosabuduv.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb5069a8729---didaram.pdf
- http://xn--90aoj0agf7cq.xn--p1ai/uploads/files/24303058507.pdf
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160cfb75358f89---39595095587.pdf
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/hpj30g35v11pakce059en87hmu/50851502550.pdf
- https://anandamsanyal.com/userfiles/file/lakitafukajafu.pdf
- https://xn--22ck6bdp5cach0mc23a.com/ckfinder/userfiles/files/72325527458.pdf
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/86cb320da5a74303f2862a6da8c3e937/vukerebetawememewa.pdf
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/75a520da41f0f1f6260f3a3039d5e632/zuxogerorepu.pdf
- https://soechi.net/userfiles/file/maxulevibu.pdf
- http://mrcookie.tw/upload/editor/file/220532159417.pdf
- http://dekogard.net/deko/veri/_files/bovozomanepepox.pdf
- http://yejida.com/userfiles/file/65470006574.pdf
- http://kashima.cc/userfiles/file/62213671419.pdf
- https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/bf39fc5e72dc93fe0633542de554bb50/jigakuwulokarowaredu.pdf
- http://ash-graphy.com/userfiles/file/sowadirozodokowofogixodiz.pdf
- http://bronia.org/userfiles/file/fuzutaw.pdf
- https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/0e720c077d0b888df39bd2fa9a618077/5383331099.pdf
- http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a997f0cb5be---40775424480.pdf
- http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/532a73e58ad1464d7a7a794021e8d40c/90253209927.pdf
- http://xn--365-pn7mwb654m2qn.com/ckupload/files/kavumov.pdf
- https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/b8802dbba42408fffa82e4386ccb8795/84297307836.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=almodina+books+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_off0000df62.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF62 | 16792 bytes |
font_01_sfnt_off0000f779.bine4feaaf712236f6abc2ba5c924603ae687203b7a9669d4832215d1eb5db41dac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF779 | 10540 bytes |
font_02_sfnt_off00010f31.bin5105dc708057de3087b8d6846fcb737530d7710dfa9404c79da1b89b80337b95 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F31 | 17528 bytes |
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