MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and a machine learning classifier. It contains a link farm pointing to multiple URLs, many of which are hosted on compromised WordPress sites or disposable domains, suggesting an attempt to distribute further malicious content. The presence of PDF_RANDOM_URL_LINK and PDF_SEO_DISPOSABLE_LINK_FARM heuristics indicates a pattern of hosting malicious files on seemingly legitimate but compromised infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://plafondchauffant.fr//img/user/file/51950371480.pdf
- http://abacusnancy.com/userfiles/file/vixemarafipuvovozenowi.pdf
- http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9abcea517c---votuzezobefagajeb.pdf
- https://cplastik.com/data/cms/file/16170194235.pdf
- https://communeouchamps.fr/userfiles/file/rutukavusenawoxinawux.pdf
- https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/199bcafe2c44c949a614c10007cc56be/gepafibajabi.pdf
- http://developmentassociationofnagaland.org/nbloom/fckuploads/file/18258462830.pdf
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b99340e8341---resutewigugukexipibogil.pdf
- https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/9768dff2bef99334c0f483ccd6b4f0c3/26327872801.pdf
- http://studio-rivetti.it/userfiles/files/68153269093.pdf
- https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3b278364e3---fetafuxisasejetosod.pdf
- http://abogarestudio.com/userfiles/file/51885509512.pdf
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/65821c97f1a072adf44e15572b1b106f/83585075877.pdf
- http://lnianemarzenie.pl/userfiles/file/xufelitinakar.pdf
- https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/caf2cb136859ed72bb7175ad73152fe0/raloduru.pdf
- https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/3925932a0b95283d96d97cc21f26dfa6/3440185907.pdf
- https://loctra.net/userfiles/file/bufenuru.pdf
- http://stuarteisbrucklaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/72385011905.pdf
- http://wjvanderheidedienstverlening.nl/uploads/file/zuzitoxidunupam.pdf
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093017c26142---vuruketumum.pdf
- http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b35d0e6189---6258682835.pdf
- https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b389d73414---79470167474.pdf
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ee38661db3b---tewutosasesanesexabogejo.pdf
- http://tpokebar.com/uploads/files/pepanena.pdf
- https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c937b9dbd56---54911566941.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=21.58+correct+to+2+decimal+places
- 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_off0000c062.bin6a7db29a61e1d23e437331b1b01202cb603ad9ec2f4d572fa7701a61d8a3d8c9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC062 | 11052 bytes |
font_01_sfnt_off0000da41.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA41 | 16792 bytes |
font_02_sfnt_off0000f253.bin7f975bf9ca397678a4a1e63326bcb49b126eb5d09495442283e3ed660d8a39ba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF253 | 16500 bytes |
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