Malicious PDF — malware analysis report

Static analysis result for SHA-256 98ba01795d455093…

MALICIOUS

PDF

52.3 KB Created: 2020-08-05 01:46:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5512fc91e760e82ddaf301960cfb24c5 SHA-1: eed0fffa050aa7d711f4f85a7d3e3675ab83a282 SHA-256: 98ba01795d4550939b21273ac0f95be26897898f0f5cc3d3c5af8b55a432615f
194 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'ttraff.com'. The document body, though heavily obfuscated, also contains this URL. The file also exhibits characteristics of a link farm, with numerous embedded URLs, many pointing to Shopify domains, likely for SEO manipulation to increase visibility of malicious content. The primary malicious URL is 'https://ttraff.com/pify?keyword=treatise+on+invertebrate+paleontology+brachiopoda+pdf'.

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=treatise+on+invertebrate+paleontology+brachiopoda+pdf In PDF document text
    • http://files.cos-con.com/uploads/1/3/1/8/131856725/b60ba7c023.pdfIn PDF document text
    • http://files.offthebeamwoodworking.com/uploads/1/3/2/7/132741241/3258039.pdfIn PDF document text
    • http://files.allnationscoast.net/uploads/1/3/1/4/131438167/kagorokotojaja.pdfIn PDF document text
    • http://files.sbtindy.org/uploads/1/3/0/8/130814923/1d42e5.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/1/0437/4783/6058/files/63362488462.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4384/7328/files/powowakiwojaxebize.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0364/2007/files/buy_roblox_exploits.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1695/3767/files/nekepekixaparatun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8959/2473/files/tulogexowutepowu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3426/4231/files/56952948326.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6631/8230/files/wuxegizijemazulekikoj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5007/2224/files/wawegekipo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1370/9722/files/12965342809.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9798/0056/files/pugurojuga.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0016/8597/files/96154601201.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2631/7473/files/wisixuzid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2485/0842/files/siverefewajefotuxumajav.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/1123/3176/files/bstc_answer_key_download.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_off00008dc2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8DC2 5668 bytes
SHA-256: 337ecf99a29a9d3eaa2dba27cda3014a60e02fb9eef958e5d80011db6809ae2f
font_01_sfnt_off0000a10b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA10B 10028 bytes
SHA-256: e0cd0709b98e214d7f7ed78be8cababa0c813b002153fd7b019f9e4fc5434983

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