Malicious PDF — malware analysis report

Static analysis result for SHA-256 68f759f66f8c9bab…

MALICIOUS

PDF

43.5 KB Created: 2020-08-02 09:11:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7954ff94236b8c689ca21dbe2790681b SHA-1: 762feac29f2d43a8e41ae0cd94f9bb95dfae6317 SHA-256: 68f759f66f8c9bab8c165059df74beb2a00ddfab25211df12fba2b2d6921ddba
194 Risk Score

Malware Insights

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

The PDF contains numerous links, many pointing to a redirector service (ttraff.com) that is flagged as malicious. The document body, though heavily obfuscated, contains the same redirector URL and a benign-looking filename, suggesting a lure for users to download a malicious payload. The presence of many Shopify links, some benign and some unknown, indicates a link farm strategy to obscure the malicious destination.

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=hex+beam+antenna In PDF document text
    • http://files.jtdudrow.com/uploads/1/3/0/7/130776757/2067405.pdfIn PDF document text
    • http://files.syrianmigrationsolutionsproject.org/uploads/1/3/0/8/130874627/xujevamurezifo-lizejigadaroni-satugom.pdfIn PDF document text
    • http://files.moksayogatx.com/uploads/1/3/0/9/130969801/680d2b493b.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/1/0431/5804/4823/files/ms_office_patch_for_mac.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/7710/5832/files/vibegizixapoke.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6971/0242/files/siduloruxu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/sakemiribukewud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9375/2997/files/93341460129.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4525/6352/files/boxepaselu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7329/7822/files/goboxuxanixab.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5029/4678/files/foxodijixenabisag.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1283/9834/files/21167469382.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_off00006be1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6BE1 4696 bytes
SHA-256: 105860d2122dd954a29fc816be47ad39dc586f87fe11f06dfe527f64c9ea1577
font_01_sfnt_off00007bcd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7BCD 10668 bytes
SHA-256: d9193217802a2a7c14cb4a211b4c4e5558f9a26a30c70a7831f7d7b14db37b0f

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