MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The document contains numerous external links, many hosted on disposable domains, suggesting a link farm or SEO spam operation. One of the embedded URIs, 'https://bologen.ru/wix?keyword=suzuki+book+2+pdf+cello', indicates a lure to search for specific content, likely to redirect users to malicious sites.
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://bologen.ru/wix?keyword=suzuki+book+2+pdf+cello PDF link annotation
- https://cdn-cms.f-static.net/uploads/4485001/normal_601ef1a743203.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4382189/normal_5ffcf0581422b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4486997/normal_5fe213709872c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4405654/normal_5fc93fcd224f6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4425929/normal_604b7c03e1904.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420597/normal_602064f37a6c9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4451355/normal_604b2a3867ba9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420587/normal_60251f29af9be.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4404290/normal_5ffbadbd60123.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/a09b07d1-c7cf-4953-ba1b-70a324feb840/the_hobbit_tamil_dubbed_movie_download_isaimini.pdfIn PDF document text
- https://ba3a7bb5-edd2-4228-b29c-cf272df6a868.filesusr.com/ugd/bd1c09_f58dafc4b4fc4d7e8a84ac01283f0574.pdf?index=trueIn PDF document text
- https://9534cc33-30dc-483d-bed2-8d5691710d48.filesusr.com/ugd/3835dd_04f7ab13d696424b8b9465ed4d28bfd0.pdf?index=trueIn PDF document text
- https://7e073981-ad1c-4081-8dc0-76946ba36063.filesusr.com/ugd/c4f63d_62f4a66167194c1a8c1a384ee64552b2.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/fdc3f3de-ebbc-4ced-9cdb-86ed63bc152a/english_grammar_book_read_online.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7a53f8cc-1da3-4d2f-b94f-c1ec61479e9f/bob_evans_thanksgiving_dinner_2019.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3c64a59b-bce4-4e78-870d-8330cb9fe1b6/79668584532.pdfIn PDF document text
- https://c5c27394-2042-4749-9b39-d1c24dcbd9f0.filesusr.com/ugd/e9b987_ded879d279064d98a66bb98ea302c6c1.pdf?index=trueIn PDF document text
- https://45884d5c-3037-4093-99f9-9b9c28a1e9f0.filesusr.com/ugd/3721b1_b56598449a6744c1a3cfbfca567a8991.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/e533b42e-f7f7-484c-90cd-f2ede43096a8/free_printable_halloween_skulls.pdfIn 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_off0000ecac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECAC | 5152 bytes |
SHA-256: 1b7eda6bb940faa10c27a15a7dda5e8ce7b0da8273072722a86e5409e530d862 |
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font_01_sfnt_off0000fe60.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE60 | 13320 bytes |
SHA-256: 60d6d624bfbda8ea8491dc3828e7e56088d9fdad6fe25a99758047282e243933 |
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