Malicious PDF — malware analysis report

Static analysis result for SHA-256 480fd342d859551f…

MALICIOUS

PDF

45.3 KB Created: 2020-10-27 00:57:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2020-12-26
MD5: de875542cefece7a2f97fd63988c2e40 SHA-1: d47e2f4da7b821151e68ead774b4cf2f00547456 SHA-256: 480fd342d859551f67f8ad1c483946262c42012b1657669a00c66d64d0da6779
124 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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://ttraff.link/pify?keyword=what+is+gospel+music+pdf In PDF document text
    • https://bavejojonosepes.weebly.com/uploads/1/3/1/3/131380601/natirimixuzopa-guguwizideg.pdfIn PDF document text
    • https://boguvetasitob.weebly.com/uploads/1/3/1/3/131380850/wizuxizeke_jexuzufevox_zexemagatupa_lupusofejox.pdfIn PDF document text
    • https://duroxogudoli.weebly.com/uploads/1/3/4/3/134318703/1523737.pdfIn PDF document text
    • https://wivupenoremew.weebly.com/uploads/1/3/0/7/130775018/5425421.pdfIn PDF document text
    • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/c84803101a2fa55.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368221/normal_5f8c4add0307a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4388289/normal_5f968bd1ac8ac.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369310/normal_5f8917ea79fb8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4409248/normal_5f95040d94b21.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4381095/normal_5f8c84996f041.pdfIn PDF document text
    • https://siregudak.weebly.com/uploads/1/3/0/7/130738759/5797277.pdfIn PDF document text
    • https://tavumake.weebly.com/uploads/1/3/2/7/132740551/343c997e.pdfIn PDF document text
    • https://nudopimiga.weebly.com/uploads/1/3/1/0/131070212/264294.pdfIn PDF document text
    • https://sasakafu.weebly.com/uploads/1/3/4/3/134371045/36ea06.pdfIn PDF document text
    • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006fe5.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006fe5.bin)
    • https://uploads.strikinglycdn.com/files/a32bf300-3bb7-4e64-bd09-22a5c98c6cd0/32266819382.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c29b622e-e715-400a-a81a-baf864c47e67/82934170092.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5b6af8cb-b12c-415f-a96c-30c26c6fe3c0/92911098589.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4a09173d-8756-4c4d-9655-18d52d41aed2/werusajunagogu.pdfIn PDF document text
    • https://s3.amazonaws.com/subud/area_of_complex_shapes_worksheet.pdfIn PDF document text
    • https://s3.amazonaws.com/pizivurapab/research_and_publication_ethics.pdfIn PDF document text
    • https://s3.amazonaws.com/zowejunef/publication_17_2017.pdfIn PDF document text
    • https://s3.amazonaws.com/bupaxomu/nuvijarijujevojokubo.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 extracted file (font_00_sfnt_off00006fe5.bin)

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006fe5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6FE5 5488 bytes
SHA-256: e17779d14d3d9eafe0e181a80f65bdda4962f620658e6cf54b8becab0b3f020b
font_01_sfnt_off00008284.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8284 11040 bytes
SHA-256: 3d80d51e6dda7471cb20591aef4bcc4168813f4462b1ec8f715409628ff31107

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