MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains numerous links to external PDF files hosted on compromised websites and disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of a 'download' lure further supports the intent to trick users into downloading a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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 http://polymer-optix.de/userfiles/file/tazegidamuja.pdf In PDF document text
- https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607394fc1f0bb---bemelesesebikibiwuluviko.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/rogewuxerulegik.pdfIn PDF document text
- http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/d18c0mf5dngfqvpdqdcbh133i6/wekezasanaserewekimivok.pdfIn PDF document text
- https://metricgroup.it/uploads/file/gugosugewifikulagela.pdfIn PDF document text
- https://tort-art.ru/userfiles/file/fojirujalode.pdfIn PDF document text
- https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/a5bbec5dae7659414f8e85fd0ce03306/sixoju.pdfIn PDF document text
- https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/v40kbmia4qls1377g0ulj7iuit/meromominevepe.pdfIn PDF document text
- http://cuatro-pr.org/sites/default/files/file/41775976730.pdfIn PDF document text
- http://aaaexpressheating.com/userfiles/file/fumubexata.pdfIn PDF document text
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a897b1d3616---punojolorejevobuzujolij.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16083804bb8485---balevuniv.pdfIn PDF document text
- http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607838cf24338---283403218.pdfIn PDF document text
- https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/1lmonvpm0lbmdc7hjobujqto64/67092424072.pdfIn PDF document text
- https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/1vjr5bdkorof050mjvqdoqlcve/tedojefelanelivajazelati.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=dls+19+mod+fifa+19PDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cbb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBB1 | 5164 bytes |
SHA-256: 7b194c952f161fed2f5cc913845e70b03a6d3cca871afa1424f12200eeaba1f8 |
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font_01_sfnt_off0000dd30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD30 | 1976 bytes |
SHA-256: db458d8e123f18dbd68f299e6778b2ffa64390a8e7106c478759c64c541474eb |
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font_02_sfnt_off0000e690.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE690 | 10944 bytes |
SHA-256: a9993ab06110805285b4e061b56b0d48198dd5511e4e42b8f653cfed0ff42e82 |
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