Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0acce662ae58151…

MALICIOUS

PDF

49.7 KB Created: 2020-08-07 22:08:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e6c3592c496c6df76178e173d099501f SHA-1: 16260c4c802cce6310fbeeb5a04ee06c26bce8bf SHA-256: f0acce662ae58151deeb6183eeec74c50ad46156a5dbbdffcd7506df5968240f
194 Risk Score

Malware Insights

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

The PDF document contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits a PDF link farm behavior, embedding numerous external links, many hosted on Shopify. The ML classifier strongly indicated maliciousness. The primary attack pattern involves luring users through a seemingly innocuous document to a malicious redirector, likely for phishing or malware distribution.

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/pify?keyword=ganapati+atharvashirsha+pdf+in+marathi+free+download In PDF document text
    • http://files.carenciayoga.com/uploads/1/3/1/8/131871984/xigegijawemiji-vatazexiwa-fivunamaxewexi.pdfIn PDF document text
    • http://files.daverobinsonphotos.com/uploads/1/3/1/4/131406433/c235f9fe.pdfIn PDF document text
    • http://sadek.laurakhuber.com/uploads/1/3/0/8/130873826/e6051853.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/1/0437/3138/6529/files/73763095034.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/8983/6697/files/xenamekepopekamamabevewo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9371/2286/files/botujixudorowenapuvogage.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8380/9439/files/87922397323.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6515/5487/files/basic_concepts_of_cost_accounting.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2451/5229/files/69531249710.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3886/7607/files/zatujugori.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0449/8613/8792/files/rudram_lyrics_in_english.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8117/9029/files/talozajuwedubag.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0174/1463/files/63529856749.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2378/4360/files/agricultural_extension_systems.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 4

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_off00006f05.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F05 5464 bytes
SHA-256: 1a45e9f5d214614b3ea07dd27ff3a85f34e155e7d27275310945c0536e89f30d
font_01_sfnt_off00008189.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8189 17404 bytes
SHA-256: 70cc353a17a979922495c10dc97acc5086742c1a1d7c38bc81cd72f593f9c2b9

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