MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised WordPress sites, suggesting a phishing or malware distribution lure. The PDF structure and embedded links are consistent with techniques used to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://smidgel.ru/uplcv?utm_term=out+of+africa+karen+blixen+pdf+free+download
- https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/d28e283179457689d30c72e023fe698b/dejelopepekilatajipevak.pdf
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ba9c8955f1---29772710252.pdf
- http://allg-gyn.ch/userfiles/file/12383483167.pdf
- http://fertilityupdates.com/userfiles/files/zolemigaxonogizegewegef.pdf
- http://bentleyplemtech.ru/userfiles/file/29654346086.pdf
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160c036d9a0f96---vijujegijawepibegukudeba.pdf
- http://moto-bike.pl/userfiles/file/41756748271.pdf
- http://universalestetic.com/userfiles/file/vuwobubobe.pdf
- http://kadh.kr/bobod/upload/file/jofetovogifuma.pdf
- https://varbackaforskola.se/ckfinder/userfiles/files/jukasupimikepile.pdf
- http://wshs67rocks.com/clients/9/94/942520bde836a0b401740df6f3d23d35/File/53368322977.pdf
- https://gbagencement.fr/uploads/file/75753314954.pdf
- http://bipaf.org/2009_home/upload/editor/file/jovikapulezuzerekewepe.pdf
- http://lisaarkinlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/1079576000.pdf
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16128223490834---todododebakovilebu.pdf
- https://cspdental.com/wp-content/plugins/super-forms/uploads/php/files/1c4060610fa04a6c901c6cfd2bb85220/xepilaxawewajaf.pdf
- http://www.koeru.eu/failid/file/nomuwowabofaduna.pdf
- http://ezibra.pl/upload//file/xixixanizejowas.pdf
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4969636739---40786132801.pdf
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613502073034c---fakedowemoxar.pdf
- https://idealist.ro/userfiles/file/kiwuwonifitikosajolox.pdf
- https://nutricionintravenosa.com/wp-content/plugins/super-forms/uploads/php/files/4bc78ef9e2f2b369f39597d0bf06053e/jamoveputenigitanebur.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_off0000e4f6.bin852ceae53a226a346789533a6fb249c789c070f7c7df9a67dfa5fcaa338fd55e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4F6 | 19360 bytes |
font_01_sfnt_off000117a2.bin1f2d8a27652cc3c1e7ec71a2ff1c0f6db54358a7ff125b0aea267e3d8f57b3b3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117A2 | 10992 bytes |
font_02_sfnt_off00013120.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13120 | 16792 bytes |
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