MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. It contains numerous embedded URLs, many pointing to compromised WordPress upload storage or disposable hosting, suggesting a link farm designed to lure victims. The presence of these links and the overall detection profile strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://pistant.ru/uplcv?utm_term=dual+boot+windows+10+and+android
- http://monticellotownship.org/userfiles/file/siretuloguvipizex.pdf
- https://thic.net/plugin/ce1/ckfinder/userfiles/files/detodixitugugekesatujabem.pdf
- http://baodieptailor.com/uploads/2021-09-07/images/files/78347740978.pdf
- http://flemingdecal.com/uploads/assets/file/padumukixenulol.pdf
- https://hargagila.com/uploads/image/files/wumiwukipapixuzumuz.pdf
- https://mehregancenter.ir/images/upload/files/38165057609.pdf
- https://pasarantogel.com/contents/files/kekawuso.pdf
- http://tsradviseurs.nl/mailing/images/photo/file/31281006499.pdf
- http://sigmabhp.pl/userfiles/file/sutetinonudalimifa.pdf
- https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/987c835d9e6a331dd8efc3d159dcae73/42142133803.pdf
- https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1613c34c79577a---zujokupi.pdf
- http://vititanon.com/user_img/files/82141993641.pdf
- http://ebbers-schilderwerken.nl/uploads/files/19476918407.pdf
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613da9390c98f---97827290372.pdf
- http://tylincms.com/userfiles/files/nuxesaxajekuna.pdf
- https://portofcrotone.com/dati/upload/file/98398838845.pdf
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/eo2qllg4gfqbkb9hv87l8f6s36/29938939375.pdf
- http://xn--365-pn7mwb654m2qn.com/ckupload/files/pobilaxitenatoxaju.pdf
- http://svadbavmoskve.com/content/xuploadimages/file/84601302197.pdf
- http://vagtteam.dk/userfiles/Files/6161010095.pdf
- http://yokohama-model.com/userfiles/files/26179635948.pdf
- https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/5724fbf3cbb8f44c47d1bf0937ebf244/74926835009.pdf
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a9a6a66222---vivubinupilakade.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_off0000e025.bin1054c6c41fcf565fde04dcfbd1de4adf867958f549a54ddf21b2ab7153223896 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE025 | 18044 bytes |
font_01_sfnt_off00010eef.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EEF | 16792 bytes |
font_02_sfnt_off00012706.bin270cd185bf898776388992477cd51baffbd26d908284ac242bcc90b201065fdc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12706 | 10608 bytes |
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