MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains a link farm with numerous URLs pointing to compromised WordPress uploads and disposable hosting, suggesting an attempt to redirect users to malicious content. The presence of a QR code lure further indicates a phishing or social engineering attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://bostonmentors.com/userfiles/file/39194109465.pdf
- http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609333ecc3e1f---lawudavumonipigux.pdf
- http://aldo-ins.com/userfiles/file/nezanapisuxizitumotoka.pdf
- http://worldwidefilipinoalliance.com/uploadedFiles/files/98950151770.pdf
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160a46fce2e881---ragemukimuzojodonupe.pdf
- https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608397b28929c---46588727936.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607aaa63cd9fc---30446336869.pdf
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ace1106947---nijezabagamuvezexunen.pdf
- https://ludifrance.fr/userfiles/file/danoritugaver.pdf
- http://assushop.com/userfiles/assushop.com/file/dutekepudenajekixidokevu.pdf
- http://adamlegal.com/userfiles/file/monezatupudewejexixuxoki.pdf
- http://work4shop.cz/userfiles/file/peponigepitemipigip.pdf
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16088a047b5d4a---98690614120.pdf
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606efff3dec80---81604887024.pdf
- https://bistakalikotenetwork.com/userfiles/file/69974260935.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609c1d8104fd9---mujitikofenozu.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=jackson+wireless+charging+alarm+clock+manual
- 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://scripts.sil.org/OFL
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00012230.bin11dafe1b684a25e1463ccc5a24281f1a3e17f326428ac542fd39fc140ac4df43 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12230 | 3420 bytes |
font_01_sfnt_off00012e19.bin648b321b4246e7a7f33974d8613dcc7227db70cb9b7dc79309e843cd8934e68a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E19 | 5360 bytes |
font_02_sfnt_off00014033.bin30f4c55af3e04565cfaa572c70bbb1a1c863c942e44133428e5348933406e9b0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14033 | 3052 bytes |
font_03_sfnt_off00014cdd.bind452098d853c2f0245e66503831c98c2770319e025105fce730ceb6f4505fb6c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14CDD | 12048 bytes |
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