MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The ML classifier and ClamAV detection strongly indicate malicious intent. The PDF contains numerous links to external websites hosted on compromised CMS platforms and disposable domains, suggesting a phishing or malware distribution campaign. While no scripts were explicitly extracted, the PDF structure and URL patterns are consistent with techniques used to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://smidgel.ru/uplcv?utm_term=what+did+theodore+roosevelt+do+during+the+progressive+era
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607adbcaa4105---pujunu.pdf
- http://come2menorca.com/images/file/33583192187.pdf
- https://tl-systems.hu/files/files/kabadasixeza.pdf
- https://ludifrance.fr/userfiles/file/69597538788.pdf
- https://cor.org.ar/wp-content/plugins/super-forms/uploads/php/files/dvev091aoftjr61918jpkid9v2/92693936716.pdf
- https://planet-for-events.de/userfiles/file/rogudav.pdf
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608844f4b8d9f---mixemazuzokaxotikabisu.pdf
- https://sca-kc.com/scauserfiles/files/lewazovevelojesowe.pdf
- http://kimhoatra.com/upload/fckimagesfile/mavipatakexi.pdf
- http://3q1p.com/upload/file/210615181039478501zhr3nejaeg5r.pdf
- https://krassimirtaskov.com/userfiles/files/18729897008.pdf
- http://sskj.pl/userfiles/file/kilojirifimumokes.pdf
- http://ipsgroupjjn.org/userfiles/file/vikebaporiwutapunulin.pdf
- http://ahcxdq.com/uploads/file/291214524918.pdf
- https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/404dd564a0a940f696754e9bbec83631/99762184274.pdf
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1608b41a623fb1---vonusebosadufidazunuxumad.pdf
- http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/91177dedcf580072a7322ecfe268c25f/99423442850.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609ff3b7bbffa---45027844093.pdf
- http://jiuxingchaoshi.com/uploads/file/050445322331.pdf
- https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b4ce5999e7---daratopuvutedipeladig.pdf
- http://brmhn.com/userfiles/file/20210521192417_gcny6f.pdf
- http://tc-antey.ru/uploads/files/29407740888.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_off0001023c.bin5af869b42881052df025fb9301c7f61cde47b66c568d09859995fbf3730ee7fe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1023C | 16792 bytes |
font_01_sfnt_off00012da1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DA1 | 16792 bytes |
font_02_sfnt_off000145b8.bin355e904d68e936256e415db3f827b839845fb77bd0c400f57afab161c70b830f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x145B8 | 10832 bytes |
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