MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to various domains, many of which appear to be compromised or disposable hosting, indicative of a link farm designed to distribute malware or phish users. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic suggests the document may also instruct users to open a password-protected archive, a common tactic to bypass gateway scanning. ClamAV detection and ML classification strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9933
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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 http://immobilieninvestors.org/userfiles/file/faginegode.pdf
- http://thenext.pk/userfiles/files/63470826816.pdf
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/ec8e910013408b989d7d98f66bae0d11/semirenite.pdf
- https://alibabaoman.com/basefile/alibabaomancom/files/62612072473.pdf
- http://provia-events.de/pics/fotos/1/file/kimifupeledi.pdf
- https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/5ddb5a23020701ae70af06aa8bf26fcc/28428335656.pdf
- https://dammesliepas.lv/ckfinder/userfiles/files/papatim.pdf
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cfae8be4a9---77996602735.pdf
- http://newabel.com/ckfinder/userfiles/files/limebota.pdf
- http://onmamtour.com/FileData/ckfinder/files/20210714_C2FB46783B97E8BF.pdf
- https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/f3fe714238edd8e09064487e0286889b/33744976646.pdf
- http://arci-mp.fr/admin/File/pitubowifigiwunojalopojex.pdf
- http://89928386.com/uploads//files/202108040218118305.pdf
- http://nhatminhtrading.vn/app/webroot/uploads/files/nebarisafuko.pdf
- http://www.maderas-navarro.com/ckfinder/userfiles/files/reratajukedijovadez.pdf
- https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6a1323a90a---48961906351.pdf
- http://kapli74.ru/upload_picture/pomewul.pdf
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091989e9e952---26272578924.pdf
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/54802f4fccd91deedbfa0ec0985c4294/25179326092.pdf
- http://paradisetnl.com/FileData/ckfinder/files/20210726_120950A991625D83.pdf
- http://amuseonline.com/absite/userfiles/file/retazibawalugagavido.pdf
- http://praxis-greve-polley.de/web/editor/files/peneku.pdf
- https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084a122b9a7e---96766301896.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=la+demanda+definicion+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_off0001363a.bin58982f077a19f197a0d5b8eac54fd2ef077a6355e5d6bc96044607211cfd5f46 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1363A | 19488 bytes |
font_01_sfnt_off00016846.bin56dd37a9318583cc06ccee53220f80a2abec11099e53133f1d0c0df119d60a1b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16846 | 10324 bytes |
font_02_sfnt_off00017f71.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17F71 | 16792 bytes |
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