Malicious PDF — malware analysis report

Static analysis result for SHA-256 b8078499e514971a…

MALICIOUS

PDF

42.1 KB Created: 2020-08-19 21:38:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 03762ecbf399d77dbf1d12ce92fb9a3d SHA-1: ca70feadf0ff4f04a3164a225f44a0706d756519 SHA-256: b8078499e514971a722750cd95c5c079b43f8c2bde6b0d4ebfd5138a204fd68a
194 Risk Score

Malware Insights

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

This PDF file contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The primary malicious URL is https://ttraff.ru/pify?keyword=isilon+h500+hardware+guide, which is likely used to obscure the final destination. The document body itself is heavily obfuscated and contains the malicious URL, suggesting a lure to download further malicious content.

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.ru/pify?keyword=isilon+h500+hardware+guide In PDF document text
    • http://files.victorheritagesociety.com/uploads/1/3/0/8/130874652/3576439.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/1/0433/4996/6998/files/xesavafeni.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2525/3023/files/xasuxegig.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6162/2437/files/jipidavimalefajo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1701/1353/files/kewadukal.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mejiwevabefi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6878/3766/files/32289766117.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5048/4390/files/95544393283.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6397/5835/files/32020610097.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2881/5783/files/didavukigomug.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1843/5229/files/pafumuxu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2644/0607/files/kazupe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8331/6891/files/53257285545.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/1541/1608/files/35016318145.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8992/8096/files/directing_ecological_succession.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 3

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_off0000653b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x653B 5384 bytes
SHA-256: 4fbfba913cdf29611459b7efab5d738a8239767e89c225f938b48585b62aa191
font_01_sfnt_off0000778a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x778A 10428 bytes
SHA-256: 6115a858d3987c2e2c7b146e3fb69b93fe684be7b6f4a7c3ef3404126b60c1ac

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