MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories or are hosted on disposable domains, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://mecaniquekd.ca/upload/file/xodosonurexadewikuni.pdf
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095b4dd17538---nimeruvabufokum.pdf
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/5d787fa81deebd7cc98c043d124b3810/buxiruvopoxezovasabi.pdf
- http://akicgiyim.com/userfiles/file/vosaporedodisepokabewup.pdf
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160da10ea96f01---97993797576.pdf
- http://osteriadelcampanile.com/userfiles/files/77400913855.pdf
- http://learningkey.org/userfiles/dorujifiwadodel.pdf
- http://ccswcd.com/userfiles/file/zefalajebewuzasitoxetexon.pdf
- https://jmcoverseaspvtltd.com/uploads/files/riwibiranivefusajotiwi.pdf
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f38a6eab92---noparimofegevabovo.pdf
- https://marathonlaval.com/userfiles/files/33429260852.pdf
- https://ilexgold.com/app/webroot/files/userfiles/files/58060338004.pdf
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/16117bb188ae80---88866408397.pdf
- https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/918stph8uusnkc0406kla6q2b6/zefuxisobuka.pdf
- https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d5f8578607---63177928249.pdf
- https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1606efc6f39485---todose.pdf
- http://piqiso.ru/userfiles/file/66184755512.pdf
- http://burelomdo.com/ckfinder/userfiles/files/pulakilo.pdf
- https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/36ies4nqmvp0sqspv894eipt26/40478992430.pdf
- https://www.almuhja.com/ckfinder/userfiles/files/fovepokofamazenapif.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=four+quadrant+graphing+characters+worksheets
- 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_off0000c7f3.bine1aee031b2c6f273191d85ca5ca08e67ad38e5b6ed72eff13786536d794ac4a3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7F3 | 11148 bytes |
font_01_sfnt_off0000e183.binc52be987d3b4b49de288317c81a96e60156f303bce6297713b65a9ede167fd5c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE183 | 17424 bytes |
font_02_sfnt_off00010d65.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D65 | 16792 bytes |
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