MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised CMS upload directories, suggesting a tactic to host malicious content or redirect users to phishing sites. The presence of a link farm on disposable hosting further supports a malicious intent to distribute harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9820
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://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/859e412541f5d34098eb17ca4dceeede/73422475368.pdf
- http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609f34e5a05d3---39475931820.pdf
- https://almuhja.ps/ckfinder/userfiles/files/varut.pdf
- http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a326b124f4c---jurago.pdf
- http://makingthegradetexas.com/clients/d/d4/d4716c73f098ea79da165a2194b6736a/File/dumowonadosof.pdf
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e3ae106e85---sokiwib.pdf
- https://aimhc.com/userfiles/file/soxobavilomakemo.pdf
- https://assignmentmart.com/ckfinder/userfiles/files/guloromefozub.pdf
- http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/f7vluvb7ost5oov252bi6hqlc1/veguduzewizo.pdf
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609b85cca4d55---75238183726.pdf
- http://anhuizhkj.com/upload_fck/file/2021-5-23/20210523201232607042.pdf
- http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a6c535ce437---18799966646.pdf
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/160c7372dbcc4c---kojabikixapunememe.pdf
- http://icltindia.in/userfiles/file/juwurororavawalefejenijep.pdf
- https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/99e39db4f4592ba787fbcdaf2a8c9d8e/kenoxu.pdf
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/0ddafb55efef66ba1bb816d222130800/nelolopuk.pdf
- http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1608613060e5e0---levepuludisapi.pdf
- http://heninrealty.com/userfiles/files/13728720135.pdf
- https://thokhoavietnam.com/upload/files/waparowose.pdf
- http://aarogyamedico.com/userfiles/file/sekonuvaj.pdf
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa081b02a17---toxatuxuzevuxorali.pdf
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160adb74515857---gozovogawejisa.pdf
- https://santchavarabed.in/ckfinder/userfiles/files/31199912319.pdf
- https://gerastar.com/userfiles/file/64704134534.pdf
- http://accronline.com/userfiles/file/fegixo.pdf
- https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/378607c346877ac1649865fae02f006d/48168398988.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=best+store+bought+mayonnaise
- 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_off0000ff83.bin15d62b57493cc8b10c2b06643924cd79e93407a67e8ecf8af4dd0f04e3339a56 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF83 | 17184 bytes |
font_01_sfnt_off00012c51.bin938de525ae22cd351ae5eed5779a67f32bc0e2489b6d35098f568c4589c5b7ff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C51 | 10916 bytes |
font_02_sfnt_off00014581.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14581 | 16792 bytes |
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