Malicious PDF — malware analysis report

Static analysis result for SHA-256 29ff91b57b2c402c…

MALICIOUS

PDF

43.9 KB Created: 2020-08-21 05:30:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d4d50aad17180f471576d70f2dc376a1 SHA-1: f051be3549028af18e4528b7b398b3ad85a8127d SHA-256: 29ff91b57b2c402cef88dbf79327860c09b0c2676fd27520338e7247adb152e9
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector. The primary URL, 'https://ttraff.com/pify?keyword=answer+lies+within+meaning', is identified as a malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting it's a core part of the lure. The presence of a large number of external links, many hosted on Shopify, points towards an attempt to manipulate search engine results or distribute malicious content through a link farm.

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=answer+lies+within+meaning In PDF document text
    • http://files.dogswagco.com/uploads/1/3/0/7/130775607/3213371.pdfIn PDF document text
    • http://files.upsideartgallery.com/uploads/1/3/0/7/130739234/3051142.pdfIn PDF document text
    • http://files.wisecashsolutions.com/uploads/1/3/1/8/131871480/xinadudas.pdfIn PDF document text
    • http://files.gandstlpc.net/uploads/1/3/1/8/131857315/winimasajuxejeselu.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/1/0428/5143/4659/files/63010100326.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/7792/5019/files/appalachian_trail_packing_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4634/5640/files/35009343334.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6783/4517/files/44574133472.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0389/6217/files/gugumesun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2205/6600/files/gomujez.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/31492874922.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1410/2941/files/kolirajematal.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_off0000652a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x652A 5180 bytes
SHA-256: 651420d3eb7bb1b108d226f45525ef58a03f4c8a9ada038a64dee1e7978d0fad
font_01_sfnt_off000076a9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76A9 14184 bytes
SHA-256: 635f62abd96f188d15d99cd46a8aaf9f0aaa0a8f1c636c837365cc6206af93b6

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