MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised CMS upload storage or are part of a link farm on disposable hosting, indicating a likely attempt to redirect users to malicious sites. The document body is heavily obfuscated and contains metadata suggesting it was generated by wkhtmltopdf.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
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 http://playeasypiano.com/resources/fck_images/4045771852.pdf
- https://cicadit.ro/UserFiles/file/79617198865.pdf
- https://hotelangela.hu/userfiles/file/97326347104.pdf
- http://huyminhplastic.com/upload/files/94495467306.pdf
- http://maekuangudomthara.com/ckfinder/userfiles/files/81142605476.pdf
- http://www.contal-farmer.com/uploads/files/92550505734.pdf
- https://sweetburden.com/upload/users/files/puzejisomasolugolav.pdf
- http://riverside-plaza.com/upload/userfile/files/45524643023.pdf
- https://sheenabusesandcoaches.com/userfiles/file/49323234874.pdf
- http://interno-kazan.ru/upload/files/mivifezetuzas.pdf
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161341deee0489---dugufutarexadujukasilufog.pdf
- http://geometrabottero.it/userfiles/files/gifatikipu.pdf
- http://meubelenindex.nl/images/uploads/49626534751.pdf
- https://pima-alarms.rs/slicice/file/28853254606.pdf
- https://pima-alarms.eu/slicice/file/wupudelogomajotanu.pdf
- https://hostsolutions.ro/app/webroot/files/userfiles/files/rutolerefozasamo.pdf
- https://szabobuszberles.hu/files/files/17426378488.pdf
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613de6394c839---20453933956.pdf
- https://marblobaths.com/app/webroot/img/files/92364987036.pdf
- http://prochem.vn/images/uploads/files/gizowadikufesak.pdf
- http://www.lovebliss.tw/UserFiles/files/mitizuwedixexuruvafomuwak.pdf
- https://siriusdynamics.com/assets/uploads/files/49786542675.pdf
- http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613380986bb0f---dibipafepawegabegebo.pdf
- http://www.binghan.my/userfiles/file/sexategu.pdf
- http://labuchedeberce.fr/userfiles/file/44417332404.pdf
- http://dealershop.es/userfiles/file/80201524936.pdf
- http://mobilahomedesign.com/userfiles/files/80151045889.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=cheat+hero+mobile+legends
- 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_off0000d8d6.bind8f7e91d359b2078a4caebfb8180f6f357052a90845f8e70e21048ecb820c9ef |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8D6 | 10864 bytes |
font_01_sfnt_off0000f187.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF187 | 16792 bytes |
font_02_sfnt_off00010999.bine7e02dbd9723ed5be5e29f6d34c5478069c53d05b4c007ae05cc6be0b37430f7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10999 | 18908 bytes |
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