MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm hosted on compromised CMS uploads, with numerous distinct hosts and disposable domains, suggesting a phishing or malware distribution scheme. The embedded URLs, such as http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2c82b24a7---92077363964.pdf, are likely intended to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160cbb72dad135---gavewotusidimejotafa.pdf
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/f5e29246a4823b8b515ea8c7d1483493/97365670437.pdf
- http://beiwendq.com/userfiles/file/watepun.pdf
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/cia9ctdrdu0e26m3i57lbd56v1/jononusujepeviwudi.pdf
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160b8f86d15868---41902371425.pdf
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/lt08r6ls8hor66r25arhag5ml2/93618124803.pdf
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/aa6e7218915aec9bd5c4ae352e4f3e3c/92458813507.pdf
- http://zechnerbau.at/images/content/files/29057373720.pdf
- http://ptaki.info/imgekoprojekty/files/zobenotakezemadosul.pdf
- https://asiastudy.in/ckfinder/userfiles/files/juloselasoko.pdf
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/97246f8d3cd1e1432c27cf6a4013dfca/21513412804.pdf
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a04b9853118---59634873881.pdf
- https://seitonsolutions.com/ci/files/raduxowitopiveworas.pdf
- https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/3vb3bnnkv8eo5g4mp06oack76i/26744504391.pdf
- https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/d6238d52f4c9a1134eb88a2f8aa03e37/33552177494.pdf
- http://ecovn.vn/uploads/news_file/22071794962.pdf
- https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/0b1a2908669628b9c96d0809d633ea1c/kojikawi.pdf
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/r1gkhlcn2ahee8hvv5hue2ihd8/23175970940.pdf
- https://soalmatematik.com/userfiles/file/pofeva.pdf
- https://alirezamirmohammadi.com/images/upload/files/letekopuvanalifeterif.pdf
- https://www.elitelawnsolutions.co.uk/wp-content/plugins/super-forms/uploads/php/files/n0kqgqhvu0kka1n5u4ck7mv4cb/veguzusesipikawerobekow.pdf
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/06efd4fc8566a2c5599449fe7a3b7b2c/pezeduvasujimufanifuzo.pdf
- https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/93dfdff6395c73d288181b8fcb96522f/93305951299.pdf
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2c82b24a7---92077363964.pdf
- https://premiumtrade.ro/ckfinder/userfiles/files/nezova.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=paper+trail+meaning
- 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_off0000be0d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE0D | 16792 bytes |
font_01_sfnt_off0000d61f.bin33b6a784fd8d246f8ba37fc2f5da30735f3141b6485145b07db44c939d7522a1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD61F | 16148 bytes |
font_02_sfnt_off0000ffdc.bin4133f80e04bf044ad7faea2680ef4ccbee26649a69d18bb948227088c6b03aa6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFDC | 10308 bytes |
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