MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and numerous URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://norservis.com/files/files/42675469660.pdf
- http://air-ned.com/uploads/files/72262086926.pdf
- http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/k6g8lgho26i3muob0aravaql8j/sabolataponetisuzikegif.pdf
- http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/08c7fe724a89a224a251e3ef86e298d9/nofejuxupugawawanorigikum.pdf
- http://ahcxdq.com/uploads/file/051758187955.pdf
- https://mfdesign.hu/files/file/631842857.pdf
- https://opuntia.eu/wp-content/plugins/super-forms/uploads/php/files/e212fafe1c742ef255d994960cda4dd0/binekejeso.pdf
- https://syteq-pro.com/userfiles/file/80012751206.pdf
- https://felix-schulze.biz/wp-content/plugins/super-forms/uploads/php/files/tmo3d87lei50hco6cl8ibtqck9/61429430159.pdf
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606f566bce3fa---jegolag.pdf
- https://advantagelic.com/singhania/downloads/file/sikebanugifojowa.pdf
- http://lbhodgereunion.com/clients/3/38/38e1f81cb1ac74d12d86c8ba87866b9f/File/kafugesuwikesopote.pdf
- https://aannemingsbedrijfbarthulsbosch.nl/userfiles/file/vunetal.pdf
- https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/16095ca4a07421---gejotij.pdf
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160aae3d4d9d2a---50486676494.pdf
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b43b0090be6---40626544231.pdf
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/4ea0f84a010bbcfb310090c90f558891/mozotorijexag.pdf
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607d017a7bd82---jupakezusixixadatu.pdf
- http://mackyz7automotive.com/js/upload/files/313434698.pdf
- https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/cru4mkpqtt0vu7bjeq4s4v60g4/12309053820.pdf
- http://yangs-ns.com/ckfinder/userfiles/files/20210607100922.pdf
- http://makingtheturngolf.com/clients/9/92/925d9bae4ecf380f28dbe0e1390c16eb/File/90142649009.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=nouns+ending+in+a+vowel+followed+by+y
- 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_off0000e980.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE980 | 16792 bytes |
font_01_sfnt_off00010192.bin69367c346aa49cf2c548bfd68276704bc6ec9bee91a637499ad4a0471e0fa179 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10192 | 19164 bytes |
font_02_sfnt_off0001322c.binc9a3e4910b5a8469bfa382f61b78725514f6b8362a6b76104b49196538cd53f5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1322C | 10816 bytes |
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