Malicious PDF — malware analysis report

Static analysis result for SHA-256 9cc3302e80480938…

MALICIOUS

PDF

39.8 KB Created: 2020-10-15 17:23:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 6f06245d87f0cfbf836a38b1c4232e82 SHA-1: e5d3cdf314d2912f567839dee744141b380cc581 SHA-256: 9cc3302e80480938dc866b431336b360ff144b93cfa03dba6c6561318f47ce26
144 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
  • 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://cctraff.ru/strik?keyword=cabela%2527s+advanced+anglers+viewing+system+manual In PDF document text
    • https://site-1040319.mozfiles.com/files/1040319/15479463651.pdfIn PDF document text
    • https://site-1039728.mozfiles.com/files/1039728/kojuwutesogidezu.pdfIn PDF document text
    • https://site-1040104.mozfiles.com/files/1040104/44705019275.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366377/normal_5f87deab309a2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366036/normal_5f86f4291d531.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365642/normal_5f86fcac0249d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369768/normal_5f88282ceffe0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4371258/normal_5f8849d00ef5e.pdfIn PDF document text
    • https://site-1038973.mozfiles.com/files/1038973/2583042061.pdfIn PDF document text
    • https://site-1036867.mozfiles.com/files/1036867/79379972712.pdfIn PDF document text
    • https://site-1036636.mozfiles.com/files/1036636/15802886790.pdfIn PDF document text
    • https://site-1043094.mozfiles.com/files/1043094/tatusamim.pdfIn PDF document text
    • https://site-1040001.mozfiles.com/files/1040001/piece_of_cake_6e.pdfIn PDF document text
    • https://site-1041934.mozfiles.com/files/1041934/kavekagabov.pdfIn PDF document text
    • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/1515306.pdfIn PDF document text
    • https://narogigadi.weebly.com/uploads/1/3/0/8/130874066/c2099e721b.pdfIn PDF document text
    • https://jovikuveditowe.weebly.com/uploads/1/3/0/8/130874612/metavon_runokip_fisezefidiwade_kujis.pdfIn PDF document text
    • https://sibakixode.weebly.com/uploads/1/3/2/8/132814768/4171783.pdfIn PDF document text
    • https://fulipevaxavu.weebly.com/uploads/1/3/2/6/132695351/limadizade.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/11187597-1a32-4838-9ed8-7bddbc6bf321/fezukaxasoz.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3eefa88c-5bbb-4a71-afa7-59cb9f1aed5b/6944084860.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4526039d-7462-4127-8faf-a2ba75f82a9b/veraxedadolafezi.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005a8c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5A8C 5592 bytes
SHA-256: 9275a96752ae1c0368de1770ecd310413ac836ad755944401cb361c35c8625ee
font_01_sfnt_off00006d9d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D9D 10520 bytes
SHA-256: b6fe03b1385fda98e30b951aa270f0151960a72a4df0ee474bdeb3fb388b95c8

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