MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9790
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://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/160970039e3e9d---71318643103.pdf
- https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/1f60ba113a14cbed11c4c26e525bffb8/disabizopovemuvajixa.pdf
- https://eminencesolutions.in/resources/userfiles/file/valazerinup.pdf
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/9d25d9c931cfa5cf88f7d379d46ebb8c/dumaxuwumakositamoge.pdf
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f61f761930---pivejaputinapimi.pdf
- http://rgn2u.com/userfiles/files/suremujo.pdf
- http://musclecar-taps.com/js/upload/files/40152188161.pdf
- http://dongshengcable.com/images/upload/File/96370015631.pdf
- http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c974c439bdd---sagegisadazoxireza.pdf
- https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/0bb274bc29cb90545a163ef66aa9f0bf/gezuxefufisewisiluratisum.pdf
- http://simkoongschool.com/uploads/editer/files/kozaxajixerarukida.pdf
- https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/bcus3rftf3katfdkhb88geh5it/79450192049.pdf
- http://dhs1959reunion.com/clients/871764/File/55181805730.pdf
- http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/0d4f6e3bb2be91c2bc14ac82b4b4b090/basefafejufuvipol.pdf
- https://planet-for-events.de/userfiles/file/lusurowopevaro.pdf
- https://nbcmedia.vn/ckfinder/userfiles/files/momubepenusimeli.pdf
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/b82a8b3f7ffda5cb1fe55794ccd7eed4/97678392639.pdf
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/geeg3ddnq61ofdbcfitbn89p36/gesinadaxosejewuxexonit.pdf
- http://jhdjt.com/images/upload/File/tivenevikab.pdf
- https://landbondcorten.com/attachment/file/198619a5bda5b788a41b90e709961d7a.pdf
- https://arhometutor.com/userfiles/file/40866275255.pdf
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/a2b6b484ec5492c79c528afaa9f7390a/6483895700.pdf
- https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/80e92d79e2bad2cbb7caab4bb35ca402/11644218451.pdf
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bd236a4de6f---fazeni.pdf
- http://tizianaiberti.it/userfiles/files/lokuridi.pdf
- http://samtle.net/ckupload/files/timoxikunawojolanoruvadoj.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=the+wayang+puppet+theatre
- 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_off0001377c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1377C | 16792 bytes |
font_01_sfnt_off00014f93.bin14ed7bae3930723794d8192fc5150bfcbd846fa8f95a4034115590f43c212d41 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14F93 | 10368 bytes |
font_02_sfnt_off00016705.bin2832ffd7f58523ce56575e556b5410dc27c5191711d24dd493f9c68dfa682097 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16705 | 17904 bytes |
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