MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which are hosted on compromised WordPress installations or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of PDF_RANDOM_URL_LINK and PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports this. The document body is heavily obfuscated and unreadable, but the overall structure and heuristic firings point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9979
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607471b5c0fad---43720724879.pdf
- https://advance-pack.com/editor_upload/file/90131545715.pdf
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/16098bb3a6acd8---lasovuwigobagelovinopud.pdf
- http://mikomisushiwc.com/uploads/files/54032190785.pdf
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b05677d4fe8---lumigifevedezubufeke.pdf
- https://penal-garazh.ru/files/94070106773.pdf
- http://vitaminyplus.eu/files/file/nakab.pdf
- http://jkbprivateiti.com/userfiles/file/73291365483.pdf
- https://micast.de/wp-content/plugins/super-forms/uploads/php/files/lf58vdkrlkcok9n8r0gkiojjn0/gadabubo.pdf
- http://mhinflatable.com/upload/file/60588124442.pdf
- https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/3a13e06c5ca2f6494fd1c39d4a962897/83468524456.pdf
- https://oncallanatomist.com/ckfinder/userfiles/files/vadagezazekaxipebigizigox.pdf
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f7844f17ef3---mewiwipikobedezutisefa.pdf
- http://haithuanphat.com/uploads/files/21111999012.pdf
- http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1609884ae83bfa---43270867533.pdf
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607373b06d405---tujosabamepivudido.pdf
- http://ambulatorioveterinariocigliano.com/userfiles/files/nojorowogokapovemagobo.pdf
- http://cancercareresearch.com/userfiles/file/zinib.pdf
- http://koszyczarek.pl/userfiles/file/95442313393.pdf
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160872e1736fa1---dijasazozodisowefex.pdf
- http://fitnessklub-impuls.pl/uploads/assets/file/kobodapodesorela.pdf
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160ff84554299d---vanogemoso.pdf
- https://���www
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=kuta+software+infinite+geometry+medians+answers
- 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_off0000f3c8.binc41fe9346d964bb8b3ba35286c71f7e007bd488b0b22c65b8157d5d4df3985ed |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3C8 | 10944 bytes |
font_01_sfnt_off00010d0a.bin7346aab06f2fb36844bc9e63c48427af42ca430889e622263aada67466b83bbd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D0A | 18288 bytes |
font_02_sfnt_off00013d61.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D61 | 16792 bytes |
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