MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to external websites, many of which are hosted on compromised WordPress installations or disposable domains, indicating a link farm designed to redirect users to malicious content. The document body is heavily obfuscated and unreadable, suggesting an attempt to hide its true purpose.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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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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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://bringem.de/wp-content/plugins/super-forms/uploads/php/files/cae1a8898378c2bc8c5d7b929f1b1947/wunidu.pdf
- https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/ogink2qegn6j9pnaopo7q971hs/timapatezovebofufawi.pdf
- http://greenplanetnepal.com/userfiles/file/91233244040.pdf
- http://srividyaastrology.com/userfiles/file/79723402572.pdf
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16098330604610---lazusajumimamevo.pdf
- https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d8b04a41715c552f7ea76efa11e5d6f5/lozinawiw.pdf
- http://banghaija.com/userfiles/file/romebaxilegelebatak.pdf
- http://on-video.com/movies/movie_data/file/vesavawenireluzu.pdf
- http://americanpetrochemicals.com/customers/CMS-IMAGES/file/41962748414.pdf
- http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608a3d50e5188---jivegefalilow.pdf
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/e08t6k6l30nii1dmgretfnvja7/79592533732.pdf
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/f35aadf52e7e3af9464fa2e8fa8dd9ed/xozup.pdf
- http://sivam.pl/files/file/xefadazebezafax.pdf
- https://chris-arnold.com/userfiles/file/12324812349.pdf
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/15ba80529fdabf7b06a3633c545e2093/59838036403.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609479e95749a---45639386873.pdf
- https://arzhosting.com/calisma2/files/uploads/61459908728.pdf
- https://betentour.com/sites/default/files/file/9597012280.pdf
- http://holidayinntorino.com/userfiles/files/28448935722.pdf
- http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e0602357c0---815981465.pdf
- https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/3f8b3eadcc12c91428d28daf3e9a78ab/89813592357.pdf
- https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160877340215cb---gekowaluliwulepune.pdf
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/uc186oadomktfdndt66vt61sef/7084151019.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=fight+night+for+pc
- 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_off0001010f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1010F | 16792 bytes |
font_01_sfnt_off00011921.bin2e8fefa7930922efb143dbda286737f943044685fe83c5b173c3c264973df9de |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11921 | 16704 bytes |
font_02_sfnt_off0001447e.bin4b6b0e8a681bde53c830aa554ed0980233e791d22a4eaf5ca03007342d494fc2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1447E | 10228 bytes |
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