MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple potentially compromised domains. The presence of numerous external URIs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
Heuristics 6
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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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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://alkalacarservice.com/public_html/userfiles/file/79205194761.pdf
- https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files//zugajazawelanufada.pdf
- http://gianphoiduyloimodel.com/Images_upload/files/nunirusotiwodukolideg.pdf
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/64327ade5727164b8540b0b59bce891c/95061573815.pdf
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a770aded2e9---difor.pdf
- https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/830280ac66c06b5b22b1f2b5296dfc0f/82711552411.pdf
- https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/32hovgtsu6l8qkb71j5t5if3cc/nivefokupesovazezijiz.pdf
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f5e933aa18---54229242565.pdf
- https://grupo-kayros.com/userfiles/file/nopodoliro.pdf
- http://rosswellbulldogs.com/clients/b/be/bee1e50a814ad4ba40998340b8964064/File/22305552918.pdf
- http://kiiga.ru/userfiles/file/73400685571.pdf
- https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083420395541---numudow.pdf
- http://pixel-pro.ru/upload/file/34641243689.pdf
- http://www.tobywells.org/media/fckdir/file/bulakovojonokinedajexufe.pdf
- https://makemycake.gr/wp-content/plugins/super-forms/uploads/php/files/67iqf5f0igrdm2esih96rhmddk/8142921316.pdf
- http://tnslib.net/userfiles/files/bifaratoxabez.pdf
- http://design-klasse.de/ckfinder/userfiles/files/72300018928.pdf
- https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f8f88f235d---17605459791.pdf
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/16083654395105---najufeti.pdf
- https://rubin2000-distribuitorshop.ro/userfiles/file/gapuwafogas.pdf
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609c5069ade65---babifuvagerapeluf.pdf
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609d338e7b9c3---nozuwegogesu.pdf
- https://rendszergazda-cegeknek.hu/ckfinder/userfiles/files/lapusepizipolukakaf.pdf
- https://pabrikangka.com/contents//files/31622398190.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=starting+out+with+c%2B%2B+solution+manual+pdf
- 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_off0000c58a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC58A | 16792 bytes |
font_01_sfnt_off0000dda1.bin88935fcff49f93106721728d50d2f76460249060d4650d0968f4f3be3e90c81b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDA1 | 11196 bytes |
font_02_sfnt_off0000f76c.bin421108e990ecf4d2adee713f93c406a99cdaf02bd2e8259b6718ee30c947ce6f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF76C | 17152 bytes |
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