MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to compromised CMS upload storage and disposable hosting, indicative of a link farm used for phishing or malware distribution. The ML classifier and ClamAV detection strongly suggest malicious intent. The heuristic 'SE_CALLBACK_LURE' further supports a phishing or scam pretext, likely aiming to trick users into interacting with malicious links or content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://kasargod.net/uploads/file/92608395869.pdf
- http://birkhoffhi.com/userfiles/files/fagumubajofununudobuk.pdf
- http://inspiredindianfoundation.org/uploads/35296547144.pdf
- https://www.northernillumination.com/wp-content/plugins/super-forms/uploads/php/files/d10798b832d8801573dc8595fe0aba64/givesixepuperemi.pdf
- https://www.synergyheart2heart.team/wp-content/plugins/super-forms/uploads/php/files/vh3kufson6qrolq56jn3it19al/jimivenas.pdf
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/14043699031.pdf
- http://simkoongschool.com/uploads/editer/files/10543493012.pdf
- http://eaeocs.com/clients/c/c7/c75ed17bfa54634cfc1039f1b599a7e7/File/71866780561.pdf
- https://ruiguoex.com/upfile/files/2021/06/15/zikezuga.pdf
- http://auxerretv.com/content/public/file/76213009371.pdf
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/8lubeu9o2hatjctuk730svgi71/27370160029.pdf
- https://mimpishiosatu.com/contents//files/satolisotedumiwuzo.pdf
- http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/36819578183.pdf
- http://canvangdientu.com/images/file/9417828269.pdf
- https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/ab8222bd9d9d9c075cc8785fb5e3c84c/zozava.pdf
- http://zelene-centrum.cz/webpagebuilder/ckfinder/userfiles/files/xowikivovijikomeveduba.pdf
- https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/7fmrg71p9n8lssq9dqhq637i42/runogako.pdf
- https://feng-shuiworld.com/userfiles/file/17953190801.pdf
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/cb4a58ed8f737eff35f16751d18c7b9b/42392194169.pdf
- https://szamitogep-szerviz-javitas.hu/ckfinder/userfiles/files/53951445105.pdf
- http://www.urbanwaterways.info/files/57401074332.pdf
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/6a5d50e7213efaec4d23ab698f4f407d/dozozupofanek.pdf
- https://autosaloncenter.com/uploads/file/11401411025.pdf
- http://www.injamal.es/nueva/ckfinder/userfiles/files/nexipeberinakavafezenow.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=consuming+energy+resources
- 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_off0000eb92.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB92 | 16792 bytes |
font_01_sfnt_off000103a4.bin69e60758e20a76126e9bb75807caebe05746c5cff57a35608eeadedd5d470457 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103A4 | 16728 bytes |
font_02_sfnt_off00012f54.bin6efa4bbcfb4e9c98e6a555e0f92a7d69b5aa6b5fcb42de1732d03a787a79c5b9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F54 | 10512 bytes |
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