MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, containing numerous URLs that point to compromised CMS upload directories, likely serving as a distribution point for malicious content. The document body is heavily obfuscated and contains metadata from wkhtmltopdf, suggesting it was programmatically generated.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/00ace77c2600ba6cd654837f91223cf1/doxazobetusisarix.pdf In PDF document text
- https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/upavqqam1t91lstr2ucb7lcp75/gubomufiriloledo.pdfIn PDF document text
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/6088a288db7e20adbd1317b9843201f1/somuxuxoloruzagabifupuseb.pdfIn PDF document text
- https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/3b2ddc63c11ef12b1ecc5e473c0c4a9b/raxixovusaxomusupevimagu.pdfIn PDF document text
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607dbe422242c---radezi.pdfIn PDF document text
- https://taxiporec.top/wp-content/plugins/super-forms/uploads/php/files/329p3kvk9g7ij5fuoh9agiv3io/11594464303.pdfIn PDF document text
- http://savoie-outils-coupants.com/ckfinder/userfiles/files/10053325820.pdfIn PDF document text
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608b681ead1a5---134714974.pdfIn PDF document text
- http://trimblehighalumni.com/clients/84492/File/2937028243.pdfIn PDF document text
- https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/cbae15fe063e6637434f1b3d6868f0eb/migixesevelop.pdfIn PDF document text
- http://spreewaldatelier.de/img/editor/file/94398388788.pdfIn PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/66c08a6b6a2ccd34fde970b264b3355d/favimubo.pdfIn PDF document text
- http://jcbcharpentebois.com/ressource/site-image/files/tinuru.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/89885408859.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=avena+sativa+q+materia+medicaPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c8e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8E6 | 4904 bytes |
SHA-256: cd2f09e2ad89e629b9cb2b338e2f325e9f197da3bb5eb30dc9bd842eea9ee1f0 |
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font_01_sfnt_off0000d968.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD968 | 12472 bytes |
SHA-256: c2cfb080c755bc130ef5b106a2984e7dca711443e92aace5fb5c5021b9e42689 |
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font_02_sfnt_off00010168.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10168 | 16204 bytes |
SHA-256: e93acd332f5893643511f4cefd38969ad5c744ad1b08842a788b6be7d277dd15 |
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font_03_sfnt_off00011696.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11696 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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