MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to compromised websites and potentially disposable hosting, likely to facilitate the download of a secondary payload. The presence of a 'download button' lure further supports a phishing or social engineering attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9918
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160778f5b057ca---bidarakufikikukududuk.pdf
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/160932a884fc34---pevesitimatijidibilip.pdf
- http://stlukesmn.org/clients/17773/File/lolusesajuxagarejo.pdf
- https://www.myosiaffiliate.com/199trust/img/file/89509843644.pdf
- http://tksvolga.ru/userfiles/file/zagumuzinunepovara.pdf
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16072517150301---vunasini.pdf
- https://adikkeempat.com/contents//files/53142766010.pdf
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160c871fe5ffee---99356185540.pdf
- http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/16096f5095a43c---pipomimebi.pdf
- http://chistogood.ru/admin/ckfinder/userfiles/files/xetisamokofapoj.pdf
- https://thuaphatlaihoanghuy.com/uploads/files/dabase.pdf
- http://wannawwannie.pl/userfiles/file/53409739732.pdf
- http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16089de7fe0516---32951680353.pdf
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/oclvkrsjc54tntirk83nefr504/44438090009.pdf
- http://gyobel.itpublic/file/11106553712.pdf
- https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/560cd295ae4363e7259b351e815d58ca/49431868511.pdf
- http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160791695533f1---vowimetilojufop.pdf
- http://feynburg-uhren.de/uploads/83418287641.pdf
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/hjve1dni8n4nlo82oe6nv1bjo6/53188192712.pdf
- http://atomleasing.ru/media/File/vutewufesow.pdf
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/aa49c843f7a13682a2b13a18efe5e0e4/nejekosasusajonugawowano.pdf
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160de46d4732c9---vijatosunawifefojefixibu.pdf
- https://www.drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a9bfa5ac3e0---92023976547.pdf
- https://minutesnap.com/wp-content/plugins/super-forms/uploads/php/files/522e99453a9e03c18b3bf6f819bff541/firateg.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=titration+of+phosphoric+acid+with+naoh+lab+report
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fa74.bind991ca5104b5a9c2cb506e54eddeea59b46d1b0e0a8c64dfcdf2bf73aa830f06 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA74 | 16784 bytes |
font_01_sfnt_off0001267a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1267A | 16792 bytes |
font_02_sfnt_off00013e8b.bina31e141fb2917ac6221449cb8c95e700680d048453672ad8ad57cd6853c5c53b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E8B | 16108 bytes |
font_03_sfnt_off000153b7.bin152908019b57f2f0d54041ca463d092d48d499a33883123edb9a733ac9dc408d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x153B7 | 10904 bytes |
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