Malicious PDF — malware analysis report

Static analysis result for SHA-256 c6a275e986d5abf9…

MALICIOUS

PDF

46.2 KB Created: 2020-08-11 22:17:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 240178ff751a4653319e7357e91312b5 SHA-1: 7ec698c67b8939e65bf81e72d5478efd1afc675b SHA-256: c6a275e986d5abf9766ad2314bfde30fab84dc34a073dc95172ce4e2f6edd813
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=free+small+engine+repair+manual+pdf'. This indicates the document's primary purpose is to redirect users to potentially harmful content. The presence of a large number of external PDF links, many hosted on Shopify, further supports a link-farming or redirection-based attack. No scripts were extracted from this sample.

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=free+small+engine+repair+manual+pdf In PDF document text
    • http://files.flyfishthehighcountry.com/uploads/1/3/0/9/130969356/tafun.pdfIn PDF document text
    • http://files.southeasterntruckbody.com/uploads/1/3/0/8/130874671/8fb531b3df9eb.pdfIn PDF document text
    • http://files.profiledesigntooling.co.uk/uploads/1/3/2/6/132681479/5027124.pdfIn PDF document text
    • http://files.saintgregorys.org/uploads/1/3/2/6/132696117/fepavidapofoze.pdfIn PDF document text
    • http://files.glendalequiltguild.org/uploads/1/3/0/7/130739871/6858125.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/1/0432/9888/1704/files/different_definitions_of_curriculum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4746/1788/files/jufimasapoperivegebi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2201/4870/files/tipigid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3314/0127/files/abstract_algebra_an_introduction_3rd_edition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7881/1810/files/ragojobinapebe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6598/2632/files/66455210362.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7522/1142/files/80590497619.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6895/6573/files/pojagerolunekodipa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0119/2352/files/89286745970.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3663/8360/files/disupevobogobefuva.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/2679/7976/files/international_accounting_standard_21.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007960.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7960 5316 bytes
SHA-256: 31e5ea947e640dce343eeeb6b9771fc39895c4a615f2e61f83ff7f6ca19325b6
font_01_sfnt_off00008b59.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8B59 9564 bytes
SHA-256: 2a0d645833794c2ed53777ac05fcd59450c37a6da9521543662cd7d4debc9fb5

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