MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1110.001 Password Guessing
T1555.003 Credentials from Web Prompts
The sample is identified as malicious by ML classifiers and ClamAV, and exhibits characteristics of a credential harvesting lure. The heuristic 'SE_MFA_LURE' strongly suggests the document is designed to trick users into entering one-time codes or MFA approvals. While no scripts were explicitly extracted, the PDF structure and embedded URLs point to a phishing attempt hosted on compromised or disposable domains.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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MFA / one-time-code harvesting lure high SE_MFA_LUREDocument asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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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://korealabels.com/ckfinder/userfiles/files/26031650998.pdf
- http://abc-tel.ru/data/File/25547955865.pdf
- http://climacom.eu/userfiles/files/suvizexowavemewipuf.pdf
- http://soskuwait.com/outscapes/admin/ckeditor/uploads/ck/files/mozozatabutisa.pdf
- http://drsuthichai.com/userfiles/files/denin.pdf
- https://walterchiropracticclinic.com/home/walter/public_html/ckfinder/userfiles/files/10758406903.pdf
- https://sinarlangit1.com/contents/files/watifafepigagi.pdf
- https://jooli.ru/ckfinder/userfiles/files/dafoliruwulikuvin.pdf
- http://zoop-tech.com/ckfinder/userfiles/files/rabuxavotawunoga.pdf
- https://lean-ds.com/upload/editor/file/9606686545.pdf
- http://cauthangdep24h.com/upload/files/40404209213.pdf
- https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/cb1c45676a29c9184fac45c91eeb9e76/jezomokurubukujiz.pdf
- http://sendedianqi.com/upload_fck/file/2021-9-13/20210913070245835875.pdf
- http://rsst77.ru/upload/files/xubajebibasuxefudizasipip.pdf
- https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/34edeb624551cea102bbb1dda68bd281/66969695283.pdf
- http://espwireless.net/uploads/file/87311078969.pdf
- http://azizolace.cz/images/file/gesurugewimis.pdf
- http://behtarinekhodetbash.com/files/files/delizavine.pdf
- https://mosaicopeoplecorporation.com/ckfinder/userfiles/files/27536984848.pdf
- http://getwealthythisyear.com/ckfinder/userfiles/files/nerasivugumasus.pdf
- http://www.hebrewforreadingcomprehension.com/content/zobelamik.pdf
- http://jobsandhi.com/uploaded_files/userfiles/files/piferurapobu.pdf
- https://fotoprint.lv/downloads/file/64198041920.pdf
- http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16139b29dc527e---kudogomalidupagukaze.pdf
- http://www.tekkoo.net/images/library/File/dikozolixagewutis.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=imo+old+version+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_off0000d4df.bine32c225e6ab98376ba896e1754d34178e1505b9354333eefde9fcc712fc50c02 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4DF | 17436 bytes |
font_01_sfnt_off0001026d.bind9060fe530267c1a579e580bbb631d5f02ba8f4ff7a3c34454209cc7bb46dfe3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1026D | 10412 bytes |
font_02_sfnt_off000119fa.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119FA | 16792 bytes |
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