Malicious PDF — malware analysis report

Static analysis result for SHA-256 fd6f6f4f11b4b6c2…

MALICIOUS

PDF

32.7 KB Created: 2020-08-11 02:29:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: feace4b5b7424e50c5580dec84b5051a SHA-1: c77432c2fe05cc14a78d491ebb573fa971b84363 SHA-256: fd6f6f4f11b4b6c204a65a858ec60b27f278906fd14c73b891c8b00bf022edf2
214 Risk Score

Malware Insights

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

The PDF is an image-only lure, typical of phishing, with a click-outward action. It contains a critical heuristic firing for a malicious redirector link pointing to ttraff.com, which is likely used to funnel victims to further malicious content. The document body, though heavily obfuscated, contains the same URL, reinforcing its role as a lure. The PDF also hosts a large number of external links, many hosted on Shopify, suggesting a link farm for SEO poisoning or to obscure the ultimate destination.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 32 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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=angular+momentum+in+quantum+mechanics+a.+r.+edmonds+pdf In PDF document text
    • http://files.whipitalatte.com/uploads/1/3/0/7/130739238/2568331.pdfIn PDF document text
    • http://files.prayerlifemusic.com/uploads/1/3/0/7/130775876/bozomiminefoz-bumev-gifodidusit.pdfIn PDF document text
    • http://files.namkoorb.com/uploads/1/3/0/8/130814279/09d139010.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/1/0434/0151/1077/files/dovoneritiwidebamigelazel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2848/0157/files/xurogezirerezulovedila.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6472/1562/files/giliguwufod.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6942/3257/files/gaxijozad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2502/2621/files/gipafi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4198/0567/files/zaledatuwewemalujujujox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/8256/1176/files/disaxuro.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/82191842179.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1708/4833/files/tuluduv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7612/4821/files/5354279653.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7931/1268/files/xituniforifeji.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/2002/9852/files/blues_piano_chords.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6323/0116/files/where_is_java_exe_located.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3417/1800/files/zoxajobiw.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004763.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4763 5716 bytes
SHA-256: 1bde96b1caafc59257b49f472e8792681009ee0068f34a5bc40228937e76ac2d
font_01_sfnt_off00005aa4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5AA4 7964 bytes
SHA-256: d51d7c701e4e1b28920b7130a6c2db3d9a97d6790396498ce5f049514c8460bf