MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF containing embedded JavaScript and multiple external URIs, many of which point to compromised WordPress sites. The heuristic 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' indicate a pattern of hosting malicious content on compromised infrastructure. ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious classification. The embedded JavaScript likely facilitates the execution of malicious code or redirection to phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 8
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/fdbf847691062e220b3fc2aac94fdbfc/wuzanodukutanofupulono.pdf
- http://wearefamilypalestine.com/clients/3/3b/3bc38fc23f9ffb54b20226cbd6ad6ce3/File/68359882036.pdf
- http://adamlegal.com/userfiles/file/86963677248.pdf
- https://plswa.com/wp-content/plugins/super-forms/uploads/php/files/52ece264c9adddc725ee1103867b821b/fofimerovibufalojomazupu.pdf
- https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/7g2qsscvicu9im1k3n93l2gdbi/manenemijidixavefiwune.pdf
- https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/rcoju3552c9t215sijnra0b284/76927388422.pdf
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/16083196ac0840---pasipevemuninad.pdf
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/3gvvoggh71lb8rs3hptbbguhkp/wasofire.pdf
- http://kaies.cn/upfiles/210531075213712583z98fnf.pdf
- https://www.charityweiss.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609a2f4d782ba---walomafu.pdf
- http://pantryscan.com/123cars/imagefck/file/wedosofifiwekelisuni.pdf
- https://airtelco.com/data/users/_/email/files/veludelup.pdf
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a58760fc75---jafexafotoduxa.pdf
- http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b7c63244b6---kujamad.pdf
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/q6j2epatrv9kfjh8fbhln53d23/21418296364.pdf
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160da7b5d3cda1---sonadowusepira.pdf
- http://suamayin.biz/userfiles/file/12543649829.pdf
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/5a33957dc7353f98fb9519988a7f5366/tevimujog.pdf
- http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/34r9sgbr12ir3loh8hhe2r46v1/zabepipax.pdf
- http://paintmaster.hu/js/ckfinder/userfiles/files/livevimuwefadufagowasid.pdf
- http://uro-medical.pl/zdjecia/fotki/file/93605464214.pdf
- https://nanosoft.mn/images/content/File/11207663934.pdf
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/1bfnr1bjmseq6g4fo15d4n81m5/60525184895.pdf
- http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c01a44b604f---gorezowanave.pdf
- http://alkanboya.com/files/file///pokejofozebixatekajetofu.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=explain+why+information+systems+are+so+essential+in+business+today+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_off0000f42a.binbc029121927a62b929990b91da13a2929b256c86c9237b8a88ddfdcd30cb3d96 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF42A | 11288 bytes |
font_01_sfnt_off00010e52.binbc6b2799fc60012267e5f161fb2a88a6d0ce5c455b9c5cc40e0b0290f3a575bd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E52 | 16484 bytes |
font_02_sfnt_off000138f5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138F5 | 16792 bytes |
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