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, specifically as a phishing trojan. It functions as a link farm, with numerous URLs pointing to compromised WordPress upload directories and other potentially malicious sites. The presence of multiple external URIs and the detection of a link farm indicate an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/1608971c6edd01---60924918174.pdf In PDF document text
- http://kor-ra.ru/UserFiles/file/fokotajan.pdfIn PDF document text
- http://marcobernini.it/userfiles/files/49553833436.pdfIn PDF document text
- http://emiem.pl/public/upload/ckfinder/userfiles/files/94220765523.pdfIn PDF document text
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608ac94474fad---71231660083.pdfIn PDF document text
- https://neavocats.com/wp-content/plugins/super-forms/uploads/php/files/a656280798d6148632b2076d78afa509/29158602275.pdfIn PDF document text
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607f311d13c6d---gobevotibixolener.pdfIn PDF document text
- https://mls.lighting/wp-content/plugins/super-forms/uploads/php/files/1a3eb1459d2b7641644a8f964904fd8e/10064888996.pdfIn PDF document text
- https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/2n7hkandej72se44rc5q202f0a/zaruronojinused.pdfIn PDF document text
- https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/475365c5e10dd4ce213319f9c158c218/52574379008.pdfIn PDF document text
- http://www.valathors.com/ckfinder/userfiles/files/xazitukopoxadubadovub.pdfIn PDF document text
- https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/16100f8f4b70f8---88874239464.pdfIn PDF document text
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/ddbf416d45bc9fd916570a63c663eefd/82216650990.pdfIn PDF document text
- http://anandamsanyal.com/userfiles/file/vegotaj.pdfIn PDF document text
- http://xboxheerlen.nl/userfiles/file/wonuvitijukavatufaj.pdfIn PDF document text
- http://apexnepaltravel.com/userfiles/file/xilezonufojulagi.pdfIn PDF document text
- https://canadiancontractorservices.com/wp-content/plugins/super-forms/uploads/php/files/u886frhflgkg2vd4d1geb7n4o4/30229557742.pdfIn PDF document text
- http://vaness-sens.fr/ckfinder/userfiles/files/3532957414.pdfIn PDF document text
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/3dbddc5e17924e924c2a27914eb4fe97/4002900247.pdfIn PDF document text
- http://d4scanada.com/clients/8/81/81a8d3ecf29e0a7d9042e8364394d873/File/58838268796.pdfIn PDF document text
- http://alkanboya.com/files/file///85395978771.pdfIn PDF document text
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/389c263f0a6a71ea1ab94e8fcb93655e/larufevuzenosetedaxabu.pdfIn PDF document text
- http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160f019a0c28f1---dodizarewugaluwip.pdfIn PDF document text
- https://777mto.com/contents//files/72777622963.pdfIn PDF document text
- http://www.lnk-creation.fr/upload/file/wazadov.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=mapas+de+los+continentes+sin+nombres+para+imprimirPDF 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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e23d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE23D | 10808 bytes |
SHA-256: 96a80f0ddabaa2356552033fc9881c89865a61418cdf009e9fa8c12de1db4753 |
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font_01_sfnt_off0000fadd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFADD | 18092 bytes |
SHA-256: c1c07774d88420f87593936eb50c3330e19a58cce0584a55d8ad9f8d559e25eb |
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font_02_sfnt_off00012906.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12906 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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