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. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to redirect users to malicious sites. One prominent URL, 'https://bologen.ru/award?keyword=join+pdf+files+windows+10', appears to be a lure for users searching for PDF manipulation tools.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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/award?keyword=join+pdf+files+windows+10 PDF link annotation
- https://cdn.sqhk.co/lezajoduwu/hek730I/19825054577.pdfIn PDF document text
- https://cdn.sqhk.co/kezomerameki/gsijd9U/jimu_robot_builderbots_overdrive_kit.pdfIn PDF document text
- http://xejepurefe.scienceontheweb.net/mahindra_tractor_picture_download.pdfIn PDF document text
- http://sokobumoxagug.scienceontheweb.net/types_of_non_arguments_with_examples.pdfIn PDF document text
- https://cdn.sqhk.co/vekuniruf/fYjajer/7442517839.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://e40da922-b0e4-44be-9878-2d4898ccab21.filesusr.com/ugd/3a38e0_e3e39b2f3f0441d49d8fa4811db54505.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/60837ed2-e456-4149-b551-cbb0c900c2f8/gojenezofinozuvarufejake.pdfIn PDF document text
- https://3a00e800-a8eb-44ae-aafc-ae9aecab8e06.filesusr.com/ugd/1715bf_f48b2228d35d4da8a63ab903b4074b1d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/47425372-cfe3-41bd-94bf-71bc435c7e0f/dsc_alexor_cellular_communicator.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2e4bedeb-213e-4253-9a0d-3f8f41abf11b/shimano_di2_junction_box_lights_flashing.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4b4b7b0f-7885-4580-9808-5a183bb36369/26342980574.pdfIn PDF document text
- https://5e54824a-8208-41b0-8aeb-7c017e8cfb46.filesusr.com/ugd/f64db8_e1516c3868d04516a4e61ff437afcd8d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/7c2e0381-ebe9-46de-a85e-5204c6f26fe4/this_book_is_gay_espaol.pdfIn PDF document text
- https://77bac38d-831a-46d6-8f22-d7743fcadc58.filesusr.com/ugd/5b9a87_2ef2118a52084a92806afb5e150c1611.pdf?index=trueIn PDF document text
- https://0e733887-fd72-4d21-8b10-0a39cafbc931.filesusr.com/ugd/1e4d10_1e4d193d9b764aa79379be3d096757e0.pdf?index=trueIn PDF document text
- https://ed4d48c2-14ea-47f5-a89a-b82193587323.filesusr.com/ugd/8ce377_bec17d5cbbc2452aa20048c906e97d14.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/1eb2fd41-0976-4d67-8b8f-cce67793963e/63494990827.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/07b2cbb5-2d1f-4218-bb00-e62b05a145ed/36998752677.pdfIn PDF document text
- https://089130c0-62ae-4bf1-a93c-656440fe8451.filesusr.com/ugd/738632_1b7c43ed5db94bec8e67461553f4531e.pdf?index=trueIn 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_off0000fe8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE8E | 5004 bytes |
SHA-256: f24cb6ca1698c66f89834a917ef356ebe1fcad82830c404682ee45f470746b2f |
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font_01_sfnt_off00010fcc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FCC | 11520 bytes |
SHA-256: df9da98c67624ac5ec2e5ba127552bbaf57d747d754eba6b6eca9b034aa5262f |
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