MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to compromised CMS upload storage and disposable hosting, suggesting an attempt to lure users to malicious content or phishing sites. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9946
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://bechtoldpaving.com/wp-content/plugins/super-forms/uploads/php/files/e2e0ba0f323d04f118498c3105455284/73138322365.pdf
- https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/b3304fc381070f50c1cc68c238d4a1f6/80619627879.pdf
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afd2401606e---6934608881.pdf
- http://iccjsc.com/images/uploads/files/18294913790.pdf
- https://quangcaonoithatgiahung.com/admin/webroot/upload/image/files/pijukilubomupezoxokagutos.pdf
- https://soechi.net/userfiles/file/rigupixekubafamus.pdf
- https://earplighting.com/wp-content/plugins/super-forms/uploads/php/files/ce9252ed4fcea9f5b1ccf022f7ddc5cf/84747114961.pdf
- https://binarbaid.com/public_html/userfiles/file/korimamegenari.pdf
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff6e3e42ae---dunevogu.pdf
- https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/02b97780c910012936c34637b7cf1b4a/75651622488.pdf
- https://xistenze.com/files/files/50274017761.pdf
- https://branchennachweis.eu/userfiles/file/96767871252.pdf
- https://sanipacific.com/attachment/file/19696450546.pdf
- http://rasmesafar.net/basefile/basefiles/zugumigexaforel.pdf
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607255283ad52---pawamuxanu.pdf
- http://arniestribu.com/campannas/file/22145269216.pdf
- https://bellevuecommunityfoodbank.org/wp-content/plugins/super-forms/uploads/php/files/94d671d9bef7208de1e79e2f0c091dea/babumogofiwebisimaxurutaz.pdf
- https://tangente-mag.com/img/file/48319553475.pdf
- http://gernano.eu/gfx/userfiles/files/kutok.pdf
- http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa29fceaabe---luzer.pdf
- https://waroproject.com/file/22071838959.pdf
- http://www.bordadoindustrial.com/ckfinder/userfiles/files/76808073278.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=free+download+mp4+movie
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e9e6.bin49a2b03c1dd77b77c05e598343ab50d3c88cb439a7c999f2530e55fd0e6bfffa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9E6 | 10496 bytes |
font_01_sfnt_off000101bd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101BD | 16792 bytes |
font_02_sfnt_off000119cf.binf32957cafdb92ee25759eeab762641e0e2a8b14e7a71e2efabec94b389c99c79 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119CF | 16992 bytes |
font_03_sfnt_off00014615.binbfe43d5959b2317135891740ee9f6bbd83044a2dfc391827d4c50438b6b55e15 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14615 | 1660 bytes |
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