MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://jacksth.ru/wb?keyword=db2%20sql%20error%20sqlcode=-904%20sqlstate=57011%20sqlerrmc=00c90084 PDF link annotation
- https://static.s123-cdn-static.com/uploads/4380380/normal_5fedf35050ee0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386829/normal_6018232992ab2.pdfIn PDF document text
- https://sakirirolero.weebly.com/uploads/1/3/1/3/131383462/3465659.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4412413/normal_5fcf938b44a18.pdfIn PDF document text
- https://xajakubadom.weebly.com/uploads/1/3/0/8/130874473/cbc9229c4.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4454671/normal_5fc6adc92ac00.pdfIn PDF document text
- https://ruloxewetufo.weebly.com/uploads/1/3/1/1/131164393/b2cbf9db707.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416791/normal_601e448b1e9aa.pdfIn PDF document text
- http://nalobuberejiner.iblogger.org/sasebefufivopa.pdfIn PDF document text
- https://wosumugip.weebly.com/uploads/1/3/4/8/134867897/ruvogakudaf.pdfIn PDF document text
- https://tesiligozi.weebly.com/uploads/1/3/1/4/131407846/gofilujufapuz.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://f33d1b56-f518-462b-b61f-c1b5c1ba661c.filesusr.com/ugd/1c44ce_fd780ac06fa04175a0e7d97285265741.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/fe5de11e-6381-4270-b1d6-665606ea1886/tp_link_av500_2_port_powerline_adapter_with_ac_pass_through.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a8f6bc20-d6f2-45f5-a37e-0b2d90143969/unix_and_linux_system_administration_handbook_5th_edition.pdfIn PDF document text
- https://a581e706-3bf6-41fb-8978-ad4d4077590d.filesusr.com/ugd/afbe6b_1c53693ad78f4c91a86b0c49fb5773b8.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/8aa56d55-6cdd-47ba-b0c0-cb5ad05ad6ed/my_hp_photosmart_5510_wont_print_black_ink.pdfIn PDF document text
- https://69b3109a-7cce-4514-9193-d2106d9976ab.filesusr.com/ugd/3c2969_a2fcdb79b14a4051bef4272cf0087b20.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/e54b3a63-1a2d-45da-b165-969e6aee6314/how_to_check_license_status_sc.pdfIn PDF document text
- http://xafamikipu.epizy.com/fotawade.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/643584c6-265f-4d61-be40-1b9c27fa2614/13874435494.pdfIn PDF document text
- https://cb70cc59-2297-49c3-b7e2-2ac7e26e28d4.filesusr.com/ugd/4479ed_05a8e8eefa2544a3ac8536344bc0602d.pdf?index=trueIn PDF document text
- https://d064ede3-316f-4d13-8ec5-014b2136b3bd.filesusr.com/ugd/154db6_4733913e1da64c3c88108e0ed5c3c2c8.pdf?index=trueIn PDF document text
- http://pifexowofimef.epizy.com/linking_verb_worksheets_grade_3.pdfIn PDF document text
- https://8641c524-1fb5-4292-87ed-dd72f64d6c22.filesusr.com/ugd/9b7d8a_16dda99d3faa4ff4a392c081fcad4cad.pdf?index=trueIn PDF document text
- https://07d68bf2-0661-47e2-9ffe-eae068a071af.filesusr.com/ugd/fef806_b130bb4f14ac4648ab856f641cbbe152.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ef63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF63 | 2960 bytes |
SHA-256: 4253ce374f546ed82c0b962bfad5e193173c5af7311640f7068ccdda2cb38311 |
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font_01_sfnt_off0000f9e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9E4 | 6396 bytes |
SHA-256: 4e991e91bd6a87dbb7d7f8a8cc2be0a4a0dedb141643a687c7bf6b48e02b3c49 |
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font_02_sfnt_off00010fa2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FA2 | 11964 bytes |
SHA-256: 81c7a92d86358659e1cb174ab87ecc9c633a6cedde34f1f1529c57fb06f06ff3 |
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