Malicious PDF — malware analysis report

Static analysis result for SHA-256 0b021acdd8adfe4f…

MALICIOUS

PDF

41.3 KB Created: 2020-08-02 21:41:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: fdd936eae5a3c5f5f7df1dea09b3928f SHA-1: 79400d9dc7ed8d35b01c9ff3adebd32cae25dcbc SHA-256: 0b021acdd8adfe4f2b830db579c0037d11d993e5a1770085bda331a64c5c159e
194 Risk Score

Malware Insights

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

This PDF document contains numerous links, many of which point to a redirector service (ttraff.cc) that is associated with malicious activity. The document appears to be part of an SEO link farm designed to lure users with the promise of free downloads, likely leading to phishing or malware. The ML classifier strongly indicated maliciousness, and the presence of redirector links confirms a malicious intent to direct users to potentially harmful content.

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.cc/pify?keyword=vtr+262+pdf In PDF document text
    • http://files.northshorebostonrealtor.com/uploads/1/3/0/9/130969673/jabufakenafat.pdfIn PDF document text
    • http://files.hopespayneuter.org/uploads/1/3/1/1/131164440/luzoxexafase-pigukewuxe.pdfIn PDF document text
    • http://files.gwenjacksonstories.com/uploads/1/3/1/3/131381675/3939388.pdfIn PDF document text
    • http://files.alashmb.org/uploads/1/3/1/6/131637477/virokizagilute.pdfIn PDF document text
    • http://files.koshercorner.org/uploads/1/3/1/3/131383848/f733f0adc4c7f.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3847/4397/files/sewowodivifipek.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/1650/0886/files/levebekulanorizomugaru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/7355/1001/files/9784994277.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gozoba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7201/8845/files/3d_world_magazine.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5009/8085/files/23435589535.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5500/3286/files/lifum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8008/9760/files/tarip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8491/4583/files/mazozurolo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7232/3737/files/68853104981.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6874/4087/files/80790929271.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2827/3569/files/60396584893.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6278/0311/files/48213344308.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7327/4018/files/vikonon.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 6

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_off00005c49.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C49 4868 bytes
SHA-256: 55754a8af7ca298e6575df54fa29eba9305e4bac400abbdaab50390a177721a8
font_01_sfnt_off00006cf8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6CF8 14148 bytes
SHA-256: b997cdf6d88695fb97bb124b729e64c1a6659f231d6b78ea16d3bd38c436d8fd

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