MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains a link farm pointing to multiple compromised WordPress sites and disposable hosting, suggesting an attempt to distribute malicious content or conduct SEO manipulation. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the presence of numerous external links is the primary indicator of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/13a61c51dbbbb1e714567f0c3768f26d/gejopoxopirukurokejusije.pdf In PDF document text
- https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/7b2ee0e53e7bd8c5d6abe1e294ab2053/48935004438.pdfIn PDF document text
- http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e9e3a5ed90---mitin.pdfIn PDF document text
- https://mountmoriahcamp.com/media/68773187377.pdfIn PDF document text
- http://automsystem.com/UploadFile/file/20210505201751932.pdfIn PDF document text
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/135df70ab823d171a52c1c265e92c3b5/xotosas.pdfIn PDF document text
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b03ecfa6bb8---wifabose.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160dad822ece02---muforivaro.pdfIn PDF document text
- http://rydelko.pl/userfiles/file/13337192888.pdfIn PDF document text
- http://www.mustwalge.ee/data/content/files/tegozadiguselozegu.pdfIn PDF document text
- http://orderleesushi.com/uploads/files/getadakebiko.pdfIn PDF document text
- http://computerdoki.hu/user/file/85008469300.pdfIn PDF document text
- http://luchetti.it/userfiles/files/kikenajazed.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609be233ae8cd---20269856721.pdfIn PDF document text
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160736b644f6f2---7422356146.pdfIn PDF document text
- http://scpt.it/userfiles/files/fazas.pdfIn PDF document text
- http://d4sontario.ca/clients/e/ed/ed023a0734c265ca673a92d1d81de675/File/valetagoduzulewanale.pdfIn PDF document text
- http://jjmcp.jp/userfiles/Image/file/fifemubebojeliwurexa.pdfIn PDF document text
- http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/f30cc168242d5f77a7f3cb7cfc26422f/53903903247.pdfIn PDF document text
- http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082161d4a013---74938673501.pdfIn PDF document text
- http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/l4bi7krinco2nrbmlv942bu1qk/zexatozupokuzoxar.pdfIn PDF document text
- http://scheidenschiedam.nl/uploads//file/kewasejepejadifokosixeb.pdfIn PDF document text
- https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/rg9irggihmp7o3kvstpoa8lkeq/50248259781.pdfIn PDF document text
- https://techlan.pl/files/file/lozazotono.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=ge+monogram+built+in+refrigerator+ice+maker+not+workingPDF 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_off0000ef95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF95 | 17364 bytes |
SHA-256: 6b13a5e914ae54ac89d85ea22d45cfb87454ef7359e41abbf25f88fa93ad7ee5 |
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font_01_sfnt_off00011d22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D22 | 10968 bytes |
SHA-256: 4be58c9acd70898892679c9f96bddd231169e8bdabfdeb556f95f53be43aaf4d |
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font_02_sfnt_off000136ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136AB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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