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 pointing to compromised WordPress sites, suggesting an attempt to host and distribute further malicious content. The presence of PDF_RANDOM_URL_LINK and PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports the attack pattern of luring users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9931
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 http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072258980a9e---90161310034.pdf
- https://ceccarbotosani.ro/userfiles/file/rusutiketolavapu.pdf
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c7a94cd60e9---98659621492.pdf
- http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608f764291546---limiwasemizazomigugole.pdf
- http://studiomedicoveterinariobellucci.eu/userfiles/files/kotegaw.pdf
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/30942469583.pdf
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160726d0dbfb1e---zepuxi.pdf
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160822fd32873d---kisesozalejatejoxamuzan.pdf
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609eb3df509cf---togixalovuwoki.pdf
- https://jackyrouxmethode.com/userfiles/file/48216927309.pdf
- https://serwisnawigacji.pl/userfiles/file/69971753082.pdf
- http://vincentpopetutoring.com/clients/d/dd/dd6b7bcf94cac99d3bed97cf8166637b/File/80963903136.pdf
- https://remoteyourstaff.com/calisma2/files/uploads/zafogamumawegudevofepi.pdf
- http://herningbadintra.dk/app/webroot/upload/files/gegaselujanigo.pdf
- https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b16410b56e5---51684117376.pdf
- https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/a3322fec28b4a5974734df8ea9221893/55780178841.pdf
- https://teenvolunteer.org/wp-content/plugins/super-forms/uploads/php/files/def7270cf2330db35af30da905ab80a1/setida.pdf
- https://abandassociates.com/ckfinder/userfiles/files/21717021842.pdf
- https://soalmatematik.com/userfiles/file/52319940257.pdf
- https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/a84e52002c82d1ef7f3258fd396c38e4/towinedo.pdf
- https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/1f1b9c79eaec63a050972e8a090b4701/wisozoganasomonejupo.pdf
- https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aeb080027ce---xajarozixegovomas.pdf
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/mqod01bv9oko3u5rukabnd9oha/26422045284.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=non+living+things+in+mangrove+swamps
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cc18.bin7c00d7bfecc54bdb16c0318f0662ee4be1a9b0ac6f13d2f156d568840d9a7541 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC18 | 10828 bytes |
font_01_sfnt_off0000e4f5.binbc9963646ea6f24f952aa6d5729b36708ed41cffbd60487a13cba4fce03c8d94 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4F5 | 16596 bytes |
font_02_sfnt_off00011021.binbfc7ce51a1a9b37382af61f0075eb0cdb972126da031002d338643432d80e6e4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11021 | 16252 bytes |
font_03_sfnt_off00012601.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12601 | 16792 bytes |
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