Malicious PDF — malware analysis report

Static analysis result for SHA-256 b07c06dc43e70d51…

MALICIOUS

PDF

46.2 KB Created: 2020-08-14 07:43:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 0d106f8dd6e6951503d2f61cdfb71bfa SHA-1: 2d7f4887c155b8429ac2adf9119685c90b565648 SHA-256: b07c06dc43e70d5192ce45fb74c0e95fc3a8def1d45e68d9e77d0b98c8856b8f
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits a PDF link farm with numerous external links, many hosted on Shopify, suggesting an attempt to manipulate search engine results or distribute content. The ML classifier also strongly flagged this PDF as malicious. The primary malicious IOC is the redirector URL, which likely leads to a phishing or malware delivery page.

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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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.com/wb?keyword=kiddush%20levana%20pdf In PDF document text
    • http://files.decartsohio.org/uploads/1/3/0/9/130969188/ravogo.pdfIn PDF document text
    • http://fomewixir.foundationschristianschool.com/uploads/1/3/1/4/131437363/keduz-lawotujow-guviloko-difoxivuvaza.pdfIn PDF document text
    • http://files.pureromancebyniki.com/uploads/1/3/0/9/130969097/6516230.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://cdn.shopify.com/s/files/1/0434/4853/3144/files/1001_arabian_nights_in_bengali_free_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9277/8916/files/kubolodobevijugesimu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7302/7749/files/vaditudemumozopesevu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2085/2122/files/95725442063.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4777/8469/files/depression_causes_and_treatment.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3759/7607/files/sheetz_menu_calorie_counter.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9672/7962/files/laxelikimubewaxifokozoliv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5663/5816/files/52327646348.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1638/7733/files/building_planning_and_design_books.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2065/6545/files/bukevidozujalunovoletuxor.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2960/2205/files/petavemutav.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

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000066c8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x66C8 4752 bytes
SHA-256: d8fb4056d1c237bdb1af94e39ccb3c3c5722b9ce920078f32b2167318a3ba88b
font_01_sfnt_off000076e5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76E5 10980 bytes
SHA-256: be637a97ccf2d695952a8589ea70b062f0487908780a8a84c09e0fb83ee1e4d5
font_02_sfnt_off00009ca9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9CA9 4324 bytes
SHA-256: 8405bb6ca9a6fb718a2e910e1cdde4d74ac2122cab0061dc5f772322db9c7ccd

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