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 0.9991
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://botokaw.ru/strik?utm_term=optiplex+755+ram PDF link annotation
- https://cdn.sqhk.co/bopesajan/SoNjhjh/dumapudiletegogivuvutu.pdfIn PDF document text
- http://microbestdigitalmeter.xyz/hydroxyzine_davis_drug_guideprqgd.pdfIn PDF document text
- http://help-ruleviolation.com/how_to_teach_direct_instructioncsr5o.pdfIn PDF document text
- http://leaninrzpd.site/what_to_do_when_apple_keyboard_doesnt_work0mlhp.pdfIn PDF document text
- http://idealslimitalia-official.site/congruent_figures2ym4g.pdfIn PDF document text
- http://bitivozamesej.22web.org/50507331591.pdfIn PDF document text
- http://usechambre.xyz/excel_vba_find_column_letter4uqy5.pdfIn PDF document text
- https://cdn.sqhk.co/fofesali/TghGjda/84976902361.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://b9264059-5ce6-458a-812b-58b21e0c51d1.filesusr.com/ugd/9a3dc1_7ee27a4d6d7c4114bd9cc573f3688104.pdf?index=trueIn PDF document text
- https://3e1af3dc-cf37-4f58-935d-0a6065bc5ce9.filesusr.com/ugd/3ca236_d3794cb9e7124641995326ef3a978ab3.pdf?index=trueIn PDF document text
- https://f200304d-316b-45a9-b05c-680123ec6d1a.filesusr.com/ugd/aad1a2_f38c4e30637049bf8dce1536db0123ac.pdf?index=trueIn PDF document text
- https://bef89f6e-6323-4b84-ad9d-a44490bfcc4f.filesusr.com/ugd/96768c_44313b93f03e4b1f8f75de713cfc1fe2.pdf?index=trueIn PDF document text
- https://b9eb3541-094c-4606-b101-17c2291fd6e1.filesusr.com/ugd/a18601_20b93709aca4432c94c0462f7fde449c.pdf?index=trueIn PDF document text
- https://4e4608fd-868e-43f5-b6ba-14e5e4b50785.filesusr.com/ugd/b1f235_2ed1d34901524e41a2a64e9ae0dcf194.pdf?index=trueIn PDF document text
- https://ef2e072a-e8a2-4438-804d-cc750be2e2f6.filesusr.com/ugd/6a22cb_66f4d9effae24265b87099438fac9f62.pdf?index=trueIn PDF document text
- http://nitesegu.epizy.com/printable_coupon_template_for_birthday.pdfIn PDF document text
- https://1580f21e-fc75-4350-9669-3be8b7525729.filesusr.com/ugd/eff6cf_3c4217a3ada34eafbc33ff1ad346e0fd.pdf?index=trueIn PDF document text
- https://1e16da7b-5b4f-4122-a3c4-5c88c9d97cf7.filesusr.com/ugd/83f04e_e80833386bec42af9047d8550ebb9e24.pdf?index=trueIn PDF document text
- https://c4cd0dbc-23d7-4f11-b65f-2561cec8abe5.filesusr.com/ugd/516793_694f2e01addf4c41bd6bbc46a3e887f4.pdf?index=trueIn PDF document text
- https://76ed6b59-b034-43ac-b949-e1c08f76e3cb.filesusr.com/ugd/ee6100_851c4c423b424867afdb9b2dbcbd2fcd.pdf?index=trueIn PDF document text
- https://7c3a386c-9197-44ff-a2a0-26a6be1b6260.filesusr.com/ugd/bba797_1485d4d569a64399bde6acfacbe37229.pdf?index=trueIn PDF document text
- https://2d130471-2a64-48ba-87cf-8f1e86c6acad.filesusr.com/ugd/9c43ec_c19c070c5e744b679c9af166d23e6aaf.pdf?index=trueIn PDF document text
- https://9fb0fece-6c2a-4f8b-8ff1-5d9ea67f5ee7.filesusr.com/ugd/f6a907_7318bb74a47c4054819d08b2083a903d.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_off0000dc3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC3D | 4660 bytes |
SHA-256: c6d34249a7ddd119eda3408630b51015f3094c07549599422d7f3f7e99c43f62 |
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font_01_sfnt_off0000ec1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC1C | 10584 bytes |
SHA-256: fa2ff4cec9f229eaba35ad8f5845481d4fc8b82080a2080a905e0bbaa95df75b |
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font_02_sfnt_off0001102f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1102F | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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