Malicious PDF — malware analysis report

Static analysis result for SHA-256 6c08a4717f7885d1…

MALICIOUS

PDF

50.0 KB Created: 2020-08-07 02:45:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 1cd22966dba5af07a6a294dde4fdbd8f SHA-1: 60242cfa424a394680704d64d4e46a2cffec528f SHA-256: 6c08a4717f7885d15f78882d12ce92ac265b90697db620578336cfe7cf4b7a1c
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.ru) which is flagged as malicious. The document body, though obfuscated, contains text related to programming and a URL that appears to be part of a link farm designed to attract clicks. The presence of many embedded URLs and the malicious redirector strongly suggest a phishing or malware distribution attempt.

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=ascending+order+program+in+8086+microprocessor+pdf In PDF document text
    • http://files.merryhillweddings.net/uploads/1/3/1/4/131438449/247fb.pdfIn PDF document text
    • http://files.srd.dbbcso.org/uploads/1/3/1/8/131858747/sijulezu_nutif_begubifumelabat_xoniw.pdfIn PDF document text
    • http://files.aspiringmindsfw.com/uploads/1/3/0/8/130815095/tokabivovu.pdfIn PDF document text
    • http://files.demigodlodge.org/uploads/1/3/1/6/131637357/zogipoturojabonawa.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8394/6401/files/witidodoxosajesoxizuxo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7383/1073/files/zuribemuz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2073/7950/files/91096427187.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5085/9670/files/53573013549.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6753/9623/files/xegabuvolulasow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1653/5720/files/98354712753.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9542/5191/files/54510222960.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5778/3718/files/78410937747.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0843/4077/files/943911256.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8102/3140/files/sezufug.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2231/0811/files/nabutovibaxunakazejij.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7940/1634/files/riwilatok.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 6

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005e0c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E0C 5628 bytes
SHA-256: e3cdb34c19b0b8be474484176c18f4b6ec30ccae46079c761ffb447ced9f1eab
font_01_sfnt_off00007105.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7105 11004 bytes
SHA-256: 1f4d14aa6a5ea3a2112cb9ddf8c0b5cc17599f9d54bb394fbe90ebba8abaeb32
font_02_sfnt_off00009670.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9670 16384 bytes
SHA-256: f279d8b1b950e48d3a3f31b332c5e4de987a7ce54673908f3e0d62a9f7b224cf
font_03_sfnt_off0000ac25.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAC25 4324 bytes
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176

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