Malicious PDF — malware analysis report

Static analysis result for SHA-256 d5674ae8d95f1006…

MALICIOUS

PDF

50.6 KB Created: 2020-07-29 08:32:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f56eeb7a166e53d364a324be572467b1 SHA-1: b8e116752ff40feeebf9d7ac55251d91c7bef2ea SHA-256: d5674ae8d95f10065e35fa1c717f4d7e6a517e2c4afc965d5b92730fd2477d91
194 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with one pointing to a known malicious redirector (ttraff.com). The document body, though heavily obfuscated, appears to contain metadata related to '3ds max 2014 for mac free', suggesting a lure. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm or SEO spamming attempt. The ML classifier strongly flagged this PDF as malicious.

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=3ds+max+2014+for+mac+free In PDF document text
    • http://files.waimariehvcroquet.org/uploads/1/3/0/7/130775949/fuwimakubavudovej.pdfIn PDF document text
    • http://files.dartendistrict.com/uploads/1/3/1/8/131856381/jarukid.pdfIn PDF document text
    • http://files.2018vote.us/uploads/1/3/0/7/130775045/9634535.pdfIn PDF document text
    • http://files.indypendentnetwork.com/uploads/1/3/1/6/131606111/9cb26f00c0676.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/1/0430/8841/2836/files/28922799562.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/8003629611.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2621/1238/files/sodifimuviwotenuda.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0826/1285/files/12500831402.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6274/7548/files/napijukuvemenoratujew.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7378/1411/files/zefugekobuganifedajiv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4923/8178/files/zisavixuvov.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7152/7325/files/15136431752.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0219/1269/files/37795175319.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6495/0945/files/39976564011.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2358/0830/files/30011957594.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/56325204281.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2530/9604/files/pugefog.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_off0000819b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x819B 5240 bytes
SHA-256: 0902eb2461625ce11a1fb92b2402578e215070c6f13bb9fbdb1210fac6b7b78b
font_01_sfnt_off00009362.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9362 12972 bytes
SHA-256: e22728146dcba24b0763985c9994ab756b0ec0788a14c237f9930fe7dc33cec5

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