Malicious PDF — malware analysis report

Static analysis result for SHA-256 9bbc5ef9268419ea…

MALICIOUS

PDF

44.5 KB Created: 2020-10-28 08:10:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-01-23
MD5: fdc931a2ca95b67d48fe503802dfffe6 SHA-1: 65a789493ac5722b352ffacd85d390573422abfd SHA-256: 9bbc5ef9268419ea6f669b3a53d97215c4138b33917fbc1f25ea730c9b147136
134 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.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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=nokota+horse+boots In PDF document text
    • https://cdn-cms.f-static.net/uploads/4369660/normal_5f93eb97accc4.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4408594/normal_5f93966052acb.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4386824/normal_5f9279d985ff0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367299/normal_5f89b72c25b3f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4373004/normal_5f8a6050d3e2c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366659/normal_5f8720fad0ddb.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4374986/normal_5f98ec4aa04d7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367303/normal_5f8ba463cbae7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368471/normal_5f91f11ee9331.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4390323/normal_5f96311722960.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367964/normal_5f97035ed59b2.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/ccf4058a-06db-4296-8b31-ee70e755bd50/bonnymede_rentals_montecito.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/069c8784-9b6a-4a80-a9fc-00b6df0416c8/relosa.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/337431d6-41e7-470d-b207-92d129bd269a/badegikugizipifiluk.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1cd2e9ba-2c79-4961-a375-19d0e2932f61/73409948070.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3f4aba15-f16c-4230-83d1-1b2b3432d3b5/pejigufagisom.pdfIn PDF document text
    • https://s3.amazonaws.com/fasanag/present_tenses_exercises_upper_intermediate.pdfIn PDF document text
    • https://s3.amazonaws.com/damerirazib/ferukolepizejedimoregez.pdfIn PDF document text
    • https://s3.amazonaws.com/wonoti/bomanomabepagakujijired.pdfIn PDF document text
    • https://s3.amazonaws.com/sinamozagemoger/calendario_2018_por_mes.pdfIn PDF document text
    • https://s3.amazonaws.com/nonabafat/stylish_english_alphabets_a_to_z.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/329ebdf0-efe9-42df-b664-8990fb0b93da/6192147286.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4aa26472-135b-44b8-a9f1-23ad5ea7d2ab/99687947181.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f39c87cb-0e7c-4b29-90f4-55e5e3786b58/liderazgo_daniel_goleman.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_off000070f7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x70F7 4916 bytes
SHA-256: fb3e73e46b78745af27f0e9fa302c06d724d2f8ee0130af63b02d7f62d186ebc
font_01_sfnt_off000081ac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x81AC 10280 bytes
SHA-256: 139c07d7f26584124945eced9e48af69e00212804a1e9baf5f08ae3ae671f736

Open this report in the interactive analyzer, or submit your own file for analysis.