MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, many pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to distribute malicious content. The presence of a 'download button' heuristic further supports a lure-based attack. ClamAV detection and ML classification strongly indicate malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 https://infrive.ru/uplcv?utm_term=beyblade+rivals+apk
- https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/1612eb8cb8a40c---xeregexivodanolinedud.pdf
- https://tssch.in/tssch/application/admin/uploads/file/42605907933.pdf
- http://jeanthompson.nl/ckfinder/userfiles/files/lutegugomob.pdf
- http://siamsankyo.com/Uploads/file/lubarusatalilug.pdf
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613017db82db4---gudixivagupinimoxibi.pdf
- https://balarampurblock.in/ckfinder/userfiles/files/tigelixusomekasagizos.pdf
- https://kaptenhoki.info/contents/files/subuvotijosuja.pdf
- http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16130ff83180a0---81622985066.pdf
- http://kingsbrite.com/kingsbrite.com/userfiles/file/dulexekop.pdf
- https://jairdefreitas.com/ckfinder/userfiles/files/40831599816.pdf
- https://czus-lukasa.sk/userfiles/file/lifenuwewoxovewejemapozum.pdf
- https://ht-cooling-j3t.com/contents/files/25688858982.pdf
- http://bdnchem.com/upload/files/kawixoronirexur.pdf
- http://3qbuy.com/CKEdit/upload/files/xejoxiwepog.pdf
- http://ig-einheitsloks.de/medien/file/bowidu.pdf
- https://btsmstlucia.com/atomicsteps/upload/userfiles/file/mapuvelilufurut.pdf
- https://lengthening-sldf.com/userfiles/file/80869734961.pdf
- http://anhuizpyy.com/upload_fck/file/2021-9-14/20210914101735406120.pdf
- http://poney-club-romilly-aigre28.fr/userfiles/file/samerumi.pdf
- https://sikanderajam.com/Robinson/ckfinder/userfiles/files/86780244304.pdf
- http://panhongbo.com/ckfinder/userfiles/site_eachfun_com/files/83271154206.pdf
- http://kpdb.org/userfiles/files/9499593989.pdf
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/eb70cff0098e9545c77a2d15b5ba4de3/16305685817.pdf
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613115876f0b1---36216470429.pdf
- http://conniecorsentino.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/befenakomoziwiremofid.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_off0000e636.bin04c732eca6a096593c0022baffec6462d2e0aa745bed6356c940b229d6065ea3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE636 | 17096 bytes |
font_01_sfnt_off00011246.binf0680e5608f067fed3959c95ddd51d20ecc6dd1007247a3d65f3ea13170bbfe1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11246 | 10528 bytes |
font_02_sfnt_off00012a2b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A2B | 16792 bytes |
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