MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. Heuristics identified the document as a link farm, with many URLs pointing to potentially compromised WordPress sites or disposable hosting, suggesting an attempt to redirect users to malicious content. The ML_NYX_PDF_MALICIOUS heuristic and ClamAV detection strongly indicate a malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/55ats104iasipc7m9fri27cen5/jabija.pdf
- http://kiapelhrimov.cz/UserFiles/File/86904775657.pdf
- http://ahkjt.com/upfile/file/dowiw.pdf
- https://insp.biz/img/file/nomigokab.pdf
- http://asvpp.fr/pdf/dusasupogikerizenipadewov.pdf
- https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/9b6e89aa691bf5e4299f09450f84ded3/98805160932.pdf
- http://myshopgroup.com/userfiles/files/6446593962.pdf
- http://1666-3668.com/attach/userfiles/file/63087429207.pdf
- http://aggengr.com/uploads/CMS/file/24599198741.pdf
- https://jv-cms.crazy-jessie.nl/uploads/files/zufafofapidave.pdf
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141ca2fca8f2---xegoririm.pdf
- http://villaroyalenews.com/userimages/41339771821.pdf
- https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/aa76cd7547f2f93f8c630d2fcebb3390/99916786982.pdf
- https://svetplus.com/userfiles/files/28069555764.pdf
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/c6982b2601c1bf01d7cf391207210752/fidoleno.pdf
- http://we2meeting.com/ckfinder/userfiles/publics/files/gesizimulobazijurafide.pdf
- http://joyearland.com/ckfinder/userfiles/files/tolejuwolugixarigu.pdf
- http://rebornfair.com/FileData/ckfinder/files/20210901_0D3B0210CC65CC8E.pdf
- http://photo-preiss.com/upload_files/files/zasavumak.pdf
- https://dragonexpressml.com/userfiles/files/7894465178.pdf
- http://cserepakcio.hu/xdata/file/garele.pdf
- https://jeneifogaszat.hu/cikkdata/files/30311478801.pdf
- https://toliveinchristjesus.ceosale.catholic.edu.au/application/third_party/ckfinder/userfiles/files/61513588083.pdf
- http://boxshop.mn/userfiles/files/zadononelilebek.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=go+movies+123+sc
- 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_off0000ca66.binbf3f22f00263ae7ff04cc59561b55ef985635c7505698c8ecc40b069996bdc1b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA66 | 10328 bytes |
font_01_sfnt_off0000e1e2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1E2 | 16792 bytes |
font_02_sfnt_off0000f9f4.bin68bc13ad453a83ab0cb57936ee0381b6c11327d6927e1b629b9f042002385a30 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9F4 | 19400 bytes |
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