MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it contains links to algorithmically generated URLs hosted on compromised WordPress upload storage and disposable hosting, suggesting a phishing or malware distribution scheme. The presence of a 'download button' lure further supports this, indicating the file likely attempts to trick the user into downloading a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
Heuristics 8
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://studiomedicoveterinariobellucci.eu/userfiles/files/dewodoretiragekefus.pdf
- http://apcmagon.com/userfiles/82089786121.pdf
- http://texmet.pl/userimages/file/72270282986.pdf
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606d9c8491272---firipojuxesa.pdf
- https://sukhayurveda.in/userfiles/file/25837854760.pdf
- https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/09r50aoe5otnfubhjvqanqu8qo/gibunuxavitodikin.pdf
- http://arcomproltd.com/userfiles/file/37201049290.pdf
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/50aac7f732b1778f8a7d2e98e2d2757d/41645059.pdf
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160732bf1375f5---65221498266.pdf
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adc080bc853---kenaborafar.pdf
- http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160900c3a792d9---61500876680.pdf
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/9419172d1e0b3675a21157e50cd7330b/70295771089.pdf
- https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/eaab0ccaade1d04228d04c9eb27eea45/25281170530.pdf
- https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/6b36b1f74d3163ced7fee970fda02ea3/dosofezerurejexole.pdf
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085824ae39a0---kegekupasemi.pdf
- https://yuktogel.com/contents//files/80875461408.pdf
- https://unicornproduction.gr/wp-content/plugins/super-forms/uploads/php/files/5743996dcfd7b35e1dc1f25f8c2c9bef/kuzesogilafeberipoxosegu.pdf
- http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c777f21dbeb---wedixakezupolev.pdf
- http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/7b6bh3l6khpue64gnqntk1v0n4/1014556979.pdf
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d4681f33c7---lagoguw.pdf
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/ac1d1b1074c435e4d355050866fb4f13/loner.pdf
- https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/h4t7b8m6549jumia69u94ong4l/dijijejodafujixum.pdf
- http://aceonlinementors.com/userfiles/file/72847917108.pdf
- https://olmitek.by/wp-content/plugins/super-forms/uploads/php/files/32usvdjrvsnj9e1eo980stbsh7/togovos.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=hearts+always+hunger+for+mp3+download
- 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_off00010283.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10283 | 16792 bytes |
font_01_sfnt_off00011a95.bin740b470bb1363eeeea1fbb3b6750f3444fa3dbb61d5cd944576528872c58ef1a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A95 | 17948 bytes |
font_02_sfnt_off00014956.bin62ae57a420bd20243581e81b381682b1cc53a6f1a7cfd80534e4c8e550f16340 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14956 | 11316 bytes |
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