MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains numerous external URLs, many hosted on compromised WordPress sites or disposable domains, suggesting a link farm intended to redirect users to malicious content. The PDF structure and URL patterns are consistent with phishing lures designed to exploit user trust.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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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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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://irlanc.ru/uplcv?utm_term=jcaho+standards+manual
- http://sushikyototogo.com/uploads/files/gonomoposubi.pdf
- https://pelicanfinancialnetwork.com/ckfinder/userfiles/files/mupomorolakuwovukapukud.pdf
- http://pnmanagementsolutions.in/uploads/zugogu.pdf
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/f4e6rdqmo9njtgg848gd6dmb10/32609920850.pdf
- https://alkirbilaw.com/userfiles/files/xawefalesenufova.pdf
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608285f6a647e---vumuvudogajo.pdf
- https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/aea8c53cfead162206ddc30a12d45bdf/29032798137.pdf
- https://metricgroup.it/uploads/file/jekalox.pdf
- http://blueyee.com/upload/file/181558114386.pdf
- http://stevis.cz/files/file/gitatupuwipuvefefof.pdf
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/19mmdkjqn747s3l95mn2p9svs1/74739524138.pdf
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608e0d47c0203---gibezeradunopewuka.pdf
- http://livestreaming.group/wp-content/plugins/super-forms/uploads/php/files/hiq7gcr8eb0evkeb2i0rrmecqlcp1p8j/vivujepegebavomegujojofet.pdf
- https://interior-mark.com/ckfinder/userfiles/files/1223151649.pdf
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a770f697d82---vobulapugizuvuxejo.pdf
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160debe2824c37---67709904616.pdf
- https://www.autodepotperformancegroup.ca/wp-content/plugins/super-forms/uploads/php/files/mvpvqm4uvddqaq558ea3h0as3j/30870115003.pdf
- https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d39965def4e---nesupumojo.pdf
- http://asianaccounting.com/admin/fckeditor/userfiles/file/67947285174.pdf
- http://wingprocess.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/95270522276.pdf
- https://mystruggle.uk/indigo/ckfinder/userfiles/files/zevuwivedalaxarulomotose.pdf
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160d8f7807d0ce---vivubomozi.pdf
- http://srihemkuntsahibfgp.org/hemkunt/userfiles/file/89466475851.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_off000100f4.bind01701af7f999f0c4a420fc53029cfbe5a8edc5cadfb46fc15901955d8e791a1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100F4 | 17080 bytes |
font_01_sfnt_off00012d18.bin5e7eac9c8ebd74c6c18666055e81d202d668a77b954d57503aeef2e50bdd0895 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D18 | 10500 bytes |
font_02_sfnt_off000144d9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x144D9 | 16792 bytes |
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