MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate the document functions as a link farm, with numerous URLs pointing to compromised or disposable hosting. These links are likely intended to redirect users to phishing sites or download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160979b6d2c9bb.pdf
- http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/1ausokl50hc9ovavnkhg13hou5/6788905512.pdf
- https://ahreco.com/uploads/news_file/pegesetipew.pdf
- http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ceb1c7872f5---xosixowabadelepomaba.pdf
- https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/c73324185dc42ae77bd194ba1933a262/monodikovogaweromijubo.pdf
- http://alphabodysupplements.com/newerac2c/userfiles/file/14019056080.pdf
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/502ed88bac61657018da52a8a5e40354/nesazisumakubadatobanafip.pdf
- http://accessiblevehicleservices.com/userfiles/file/24465094557.pdf
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/f76f65d50156d3b63848a66a897a5d22/ruraromufaj.pdf
- https://wemservice.com/ckfinder/userfiles/files/9784054318.pdf
- https://prsnashville.com/wp-content/plugins/super-forms/uploads/php/files/b0b3020108012b1cc930ceba32eb0108/dupakurejagotevofagexa.pdf
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a8719dd91f4---99971283062.pdf
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16081f4727d008---7113745418.pdf
- https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/e48571c595edee78630c4ffd69e582b2/firakoligitaxopinifurukon.pdf
- http://cokhihoangvinh.com/uploads/userfiles/file/8024504697.pdf
- https://bikidi.com/UpFiles/WebEditorFiles/file/49242748910.pdf
- https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/0bcd88a2eb9521f51349002992c1ee70/54970603085.pdf
- https://klairtransport.com/uploads/files/33523631644.pdf
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607a37f546a62---guxutezipox.pdf
- http://www.alex-vasilkov.ru/images/wisdom/file/35409498729.pdf
- http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/160e63245c99c0---52717945089.pdf
- https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160715dcd3f632---67838026963.pdf
- https://www.democratum.com/wp-content/plugins/super-forms/uploads/php/files/9d1d9f848acbd3fc1aabf5380d346403/xadunedid.pdf
- http://michardardillier.com/ckfinder/userfiles/files/37022875865.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=how+you+know+when+your+water+breaks
- 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_off0000ea5a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA5A | 16792 bytes |
font_01_sfnt_off0001026c.bin394a8b51f779d5e4b61efe25e5e41171b994687183d78ea284d6f4bb952761a0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1026C | 16760 bytes |
font_02_sfnt_off00012d8c.binf6aa8f425266a419c94f4d38cc6a238d6a3856b4fa8afec592ad4f3173d4b145 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D8C | 10592 bytes |
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