Malicious PDF — malware analysis report

Static analysis result for SHA-256 46abbf7f9c0624e0…

MALICIOUS

PDF

79.6 KB Created: 2021-04-05 00:51:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: eef005878bbe002cbfbdd10791ed4b1a SHA-1: d26fa25a12143e8df6f2105b905e5fedb4a557db SHA-256: 46abbf7f9c0624e0093137e3bb4dda168c0f0c873e3e72f187cd4aedb18868c9
74 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document was flagged by an ML classifier as malicious and contains embedded URLs, one of which is a link farm on disposable hosting. The heuristic 'SE_INVOICE_LURE' suggests the document's content is intended to deceive the user into interacting with a link, likely for malicious purposes. No scripts were extracted, but the presence of multiple external URIs indicates a potential attempt to redirect the user to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 5

  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small 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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The 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.
  • Embedded URL info EMBEDDED_URL
    One 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://vilenefex.ru/aws?utm_term=what+are+some+personal+stress+factors PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4460725/normal_603814b8a9425.pdfIn PDF document text
    • http://cz-nitrof.website/papakudisutijululurijaduzcdcel.pdfIn PDF document text
    • http://creamwalls.space/maytag_gemini_stove_manualmoff7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4446270/normal_60109274554a8.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4445544/normal_5fdf3207b6950.pdfIn PDF document text
    • http://erogancolumbia.site/xumopiborirepphuha.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4448137/normal_6026fbd67dd16.pdfIn PDF document text
    • http://nosinoski.shop/sofewumezagadelipijugs08g.pdfIn PDF document text
    • http://pedaxofanor.mywebcommunity.org/medical_equipment_list_with_pictures.pdfIn PDF document text
    • http://healthit.space/hiv_guideline_malaysiauh1r3.pdfIn PDF document text
    • http://jonipifenukiz.mygamesonline.org/sixth_grade_math_worksheets_with_answers.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
    • http://bufalirafuma.epizy.com/rumasebaboji.pdfIn PDF document text
    • https://18282f24-d4e3-4c19-b4d9-8e3fdaa82145.filesusr.com/ugd/df2b7b_11e1c9aa5c0d4efebebbb6ff4c46b693.pdf?index=trueIn PDF document text
    • http://fabotiwes.rf.gd/blender_cycles_materials_free.pdfIn PDF document text
    • https://6c892e0d-5736-4b4a-96a3-cd490fd1fe3d.filesusr.com/ugd/1407cd_65951302d87b4ff3a856cf2027b94a6c.pdf?index=trueIn PDF document text
    • https://ec8c99fd-5413-4e38-b6a0-2ccbba71fc6f.filesusr.com/ugd/de02f3_e4ad7f83f29e46029dd7fc5a1e624b1a.pdf?index=trueIn PDF document text
    • http://sabunidukizabe.epizy.com/what_order_should_you_read_warrior_cats.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e77f1b4f-5ab6-4f4f-bc78-30d51f7e311f/71185633065.pdfIn PDF document text
    • https://9fbeb193-358d-48fe-b9d9-45f8b63f6b3c.filesusr.com/ugd/ab67b9_d5e966ac82cc4eb2a1266be3ac1c9832.pdf?index=trueIn PDF document text
    • https://4f7f339c-9ee9-4921-a7ad-794169edd555.filesusr.com/ugd/fea72b_c861a6db3d954ca6ac0318b6a04e0bb9.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/b069dad2-4a7b-42fd-ae8c-38dbbe2e5676/which_would_hit_the_ground_first_a_bowling_ball_or_a_feather.pdfIn 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.

FilenameKindSourceSize
font_00_sfnt_off0000ea26.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA26 5008 bytes
SHA-256: 97bb68db7dd9263a311cdb578a77700c10ba2bf5dbe2e44f009171f93f422bbb
font_01_sfnt_off0000fb12.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFB12 11144 bytes
SHA-256: e258c362fc0620fcb0e0a0fb8c0c34336f7e381fda0886cbe0a631d7919aea66
font_02_sfnt_off00012104.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12104 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c