MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, with a primary focus on directing users to `jacksth.ru`, suggesting a phishing or malware distribution lure. While no scripts were explicitly extracted, the PDF structure and heuristic firings point towards a malicious document designed to exploit users via external links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
Heuristics 5
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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 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/wix?keyword=hike+apk+free+download PDF link annotation
- https://static.s123-cdn-static.com/uploads/4404497/normal_5ff2533632fb3.pdfIn PDF document text
- http://helpcreditscore.info/filubedixefidexapofobogoznzkvy.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4486061/normal_602eb2bc0d4b0.pdfIn PDF document text
- http://all-system7.xyz/api_gateway_lambda_function_cloudformationgo3xm.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420034/normal_602c557acaf3a.pdfIn PDF document text
- http://cardioactiveuficiale.site/6567487888se7bp.pdfIn PDF document text
- http://nopotaz.medianewsonline.com/que_papel_desempea_la_hipotesis_en_el_proceso_de_investigacion_cualitativa.pdfIn PDF document text
- http://lerob.info/how_much_is_a_24_pack_of_monster1rxcg.pdfIn PDF document text
- http://grantmedica.ru/xboxhdm_2.2_usbl999o.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385417/normal_600ae88037de5.pdfIn PDF document text
- http://bestgirl69.com/producer_equilibrium_in_economics1ur0h.pdfIn PDF document text
- http://ridovise.sportsontheweb.net/31572379773.pdfIn PDF document text
- http://uniques.space/wifi_ifre_krma_program_indir_pc_tamindirou499.pdfIn PDF document text
- http://lazirog.mywebcommunity.org/10696994655.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4443326/normal_5fc9d66f82c6a.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://s3.amazonaws.com/sazomo/72329857374.pdfIn PDF document text
- https://s3.amazonaws.com/patotale/how_to_subpoena_police_records_in_california.pdfIn PDF document text
- https://dc6b22d1-fd3c-476a-b8f1-b0505981f591.filesusr.com/ugd/ab5adf_a0722a445ecd442785f89c903f8dfaf0.pdf?index=trueIn PDF document text
- https://4b4ea461-5266-411b-8735-d5290551f550.filesusr.com/ugd/7fedcf_ca75b30ee3eb450f96cce0e57a1bd0f7.pdf?index=trueIn PDF document text
- http://zivonupawidam.atwebpages.com/jezemufoxaxa.pdfIn PDF document text
- https://ad9e3d1f-bb22-46ca-892e-b6aa3325a756.filesusr.com/ugd/837d34_22cf8025fab74c69a4addfb0cb2c2b9e.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/ligole/revelugetuwefetu.pdfIn PDF document text
- https://981168d4-05fc-44b6-871d-73371d7e8cf1.filesusr.com/ugd/87d215_54b42dc63d6546cbb6f2e89753ab727b.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f577.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF577 | 4680 bytes |
SHA-256: ddcaf9115561631c475f86fc04ec974dd16579d1438e775af539d0234f3cf4aa |
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font_01_sfnt_off00010565.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10565 | 6800 bytes |
SHA-256: 75e4f7df2870341b627fdadae479f5f1140ee08be02baf6c021ec139864a675f |
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font_02_sfnt_off00011ba2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BA2 | 11288 bytes |
SHA-256: acb35682c09530334c43b2fb016ba9a608e0376fb158972c0d5872ab876275c1 |
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font_03_sfnt_off00014137.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14137 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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