MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF file is classified as malicious by ML and ClamAV, indicating it's a phishing or trojan delivery mechanism. The document body, though heavily obfuscated, suggests a lure related to a "Mac pro 2013 manual". The presence of numerous external URIs, many hosted on compromised WordPress sites, points to a link farm strategy to redirect users to malicious content. The primary attack pattern involves using these link farms to distribute malware or conduct phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://coretry.ru/uplcv?utm_term=mac+pro+2013+manual PDF link annotation
- https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/gklfuqgil6uhghbfgibl9j3ja5/97208989044.pdfIn PDF document text
- http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/d46968a0b05eaa38725279a7acdb8f46/nudawexusufabuta.pdfIn PDF document text
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/160934ee97ea2e---73902528997.pdfIn PDF document text
- https://bcbc3399.com/upload/files/toxefamo.pdfIn PDF document text
- https://georgiamusicpartners.org/wp-content/plugins/super-forms/uploads/php/files/a2f42bc37108ef7aa4b1c0cd91a09786/27988742851.pdfIn PDF document text
- http://kaowei.tw/image/files/20210603_105054.pdfIn PDF document text
- http://almar-bus.pl/userfiles/file/28775973874.pdfIn PDF document text
- https://asthasupermarket.com/userfiles/file/pinerotawugu.pdfIn PDF document text
- https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160c8da83a36d8---jodikiziwefetetezutulima.pdfIn PDF document text
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a84e88dc65d---gewumiridogimobifewax.pdfIn PDF document text
- http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608364e016583---64456391035.pdfIn PDF document text
- https://laughteronlineuniversity.com/images/upload/files/jovudafugujaxobovosotisof.pdfIn PDF document text
- https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/1avg3fv691r50dv6618g4hilok/bufumudes.pdfIn PDF document text
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160801b1ac36df---gemebegikorapikojixe.pdfIn PDF document text
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dee4aaa776---51515547185.pdfIn PDF document text
- http://jhferry.com/data/fckeditor/file/%5C/fewesetoborezovodugobif.pdfIn PDF document text
- http://tdfinalists.ca/clients/43449/File/2225898385.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d25f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD25F | 5396 bytes |
SHA-256: dab43c84085b1b7989c5cb491e899db87240eaf9dd8739156306117d6363be23 |
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font_01_sfnt_off0000e4b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4B2 | 13788 bytes |
SHA-256: 1a6ae30a30c9b1af93b35b0d2e2008e09e17d5dc33a0232dd179e5917808a980 |
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