MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected by ClamAV as Pdf.Phishing.Trojan and ML classifiers flagged it with high confidence. Multiple heuristics indicate the PDF contains a link farm pointing to compromised CMS upload storage and disposable hosting, suggesting a phishing or malware distribution attempt. The embedded URLs, though some are marked benign, are part of a larger pattern of redirection to potentially malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9927
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://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/de33b6ffb48862aacf88809788b3d005/63183930003.pdf
- https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/36ea2f014b64e9152ffc3c1220147890/bozejamedorekevivojikowi.pdf
- http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/1606e3ccb9c9d2---64197506378.pdf
- https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/usq6k6kokv6a6f5qbq7k5iiv87/xefukejonixi.pdf
- https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/1107270aa8a65e7125a196fbfa0609f7/dapovuwaweluvexukixurela.pdf
- http://av-jet.ru/userfiles/file/84044218281.pdf
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/cfc110bf7aa62b6c8e8cbcfa5a187dc4/sisaluzurazoziron.pdf
- https://www.varishastalari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e61947c4ca---zerevoludolazapuxabob.pdf
- https://blueridgelightingandcontrols.com/wp-content/plugins/super-forms/uploads/php/files/37223cf623949f576c5789b2edf989a4/53613001372.pdf
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608dad1542e8f---35470585347.pdf
- http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/l6118dpq47o4gfu7m2ce93u834/vogojosiledalizubaseva.pdf
- https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/cdrjie37mnismsj0focn23l7be/31958233882.pdf
- https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/a78f962e6cd0494a15701eba08ec0a91/watomuxi.pdf
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a424a77514---muzimedi.pdf
- http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbf57d38028---magakusigagiketeg.pdf
- http://imailbox.nl/images/uploadedimages/file/gaverorozawepilepif.pdf
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a118882afdc---54044809500.pdf
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/d03bb7d2e2b23f7739883bcd4dcc61dc/90895021598.pdf
- http://glenbrooksouth1970.com/clients/1/17/17fc1bd13d5538a69f39d58c869d2fc5/File/fodozav.pdf
- http://uralinteh.com/uploads/files/85500696674.pdf
- http://sakaryakasaplarodasi.org/userfiles/file/viregelovavozu.pdf
- https://okazdedziecko.pl/_files/Media/file/5938422663.pdf
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/16085906495aca---kerusoluxowu.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=je+maintiendrai+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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f311.bin5c0a5737c5c8f656e6231db1e98755dca05abb8d188d5a93c9a2b01e2a786991 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF311 | 10248 bytes |
font_01_sfnt_off000109d1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109D1 | 16792 bytes |
font_02_sfnt_off000121e2.binbfc7ce51a1a9b37382af61f0075eb0cdb972126da031002d338643432d80e6e4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121E2 | 16252 bytes |
font_03_sfnt_off000137be.bin5649393f3de28ca8462f3f1d09833fa6133d74f4640de5a566f5de9def1db11c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137BE | 17276 bytes |
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