MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of external links, many hosted on disposable domains, indicative of a link farm or SEO spam campaign. ClamAV and ML classifiers flagged this file as malicious, specifically as a phishing trojan. The embedded URLs likely lead to further malicious content or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://kuzutuzo.ru/wix?keyword=ancient+egypt+worksheets+free PDF link annotation
- https://cdn.sqhk.co/bazexolareja/i6Njdhb/13373273823.pdfIn PDF document text
- https://cdn.sqhk.co/kekotenonaxu/ihuWEjb/fly_ash_bricks_manufacturing_project_report.pdfIn PDF document text
- https://cdn.sqhk.co/tejosepu/hecD30h/top_up_diamond_murah_via_id.pdfIn PDF document text
- https://cdn.sqhk.co/xipapotug/gFcwJHM/cute_girl_avatar_maker_online.pdfIn PDF document text
- http://fabifux.22web.org/wiziru.pdfIn PDF document text
- http://madusotiju.22web.org/clean_burnt_pot_with_dryer_sheet.pdfIn PDF document text
- https://cdn.sqhk.co/detatakev/Zja0jGd/13008905063.pdfIn PDF document text
- https://cdn.sqhk.co/rubutemoxe/f9he2hf/piano_online_classes_in_hyderabad.pdfIn PDF document text
- https://cdn.sqhk.co/mipekakiri/4ygfcii/7896007671.pdfIn PDF document text
- https://cdn.sqhk.co/mugapowejog/f3jjX4V/blaze_and_the_monster_machines_party_supplies_uk.pdfIn PDF document text
- https://cdn.sqhk.co/tofigidukug/jgSjjMS/16111721544.pdfIn PDF document text
- https://cdn.sqhk.co/tamupoto/ggidvjg/starz_power_cast_member_dies.pdfIn PDF document text
- https://cdn.sqhk.co/famuxina/aghcxji/jewodadebejitupimunipib.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://kevakop.epizy.com/86779267949.pdfIn PDF document text
- https://064d663d-f6b2-44cf-a6ad-083da5f315e5.filesusr.com/ugd/77eba6_c9a5b6f82f464aff9e5bf184acde5a9b.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/nowokil/10005615632.pdfIn PDF document text
- https://6997f972-013f-4c6f-ac95-4179ba17a557.filesusr.com/ugd/549e1a_dbb809ee97c94615a146fdb37b5bb57c.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/tugumeb/free_sheet_music_christmas_duets.pdfIn PDF document text
- http://fopekexu.epizy.com/34548189868.pdfIn PDF document text
- https://s3.amazonaws.com/bubodeliza/96192359575.pdfIn PDF document text
- https://s3.amazonaws.com/baxegezivumi/maze_runner_the_death_cure_cast_full_movie_download_in_hindi.pdfIn PDF document text
- https://7f1d4f38-7308-4051-b389-b8ed31312188.filesusr.com/ugd/e948c1_79c3ffda8e6f430abe2dd68b173a5460.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/retobifulipo/starbucks_coconut_milk_nutritional_value.pdfIn PDF document text
- https://40785fcd-1e5e-4316-9306-5db1d5795eae.filesusr.com/ugd/2f07a1_f14091725950425a92aa5f99ab17b0f6.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_off0000f82f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF82F | 5284 bytes |
SHA-256: f93d56d90e6f3d29ba4f7d6e94f1501aafff3fa341ee0460116aaff46a86751c |
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font_01_sfnt_off00010a4d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A4D | 10476 bytes |
SHA-256: 2fcadd2eab0865ef2e360869392310bc3b9ac9bcc29aa39c747c15c794a3f547 |
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