Malicious PDF — malware analysis report

Static analysis result for SHA-256 1169e690079eec9b…

MALICIOUS

PDF

51.8 KB Created: 2020-08-20 07:14:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ee97bac527a4496a911331cc909b216f SHA-1: 073792ca481eb83eb441f86c9ff4fe003bc48bf6 SHA-256: 1169e690079eec9b4805c79143f99973a4383da43aa0a15ad5ec0a0db1686d88
194 Risk Score

Malware Insights

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

The PDF contains numerous links, many of which point to a redirector service known for malicious activity. The document body, though partially obfuscated, includes a URL that is also flagged as a malicious redirector. This suggests the PDF is designed to lead users to malicious sites, likely for phishing or malware distribution.

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.cc/pify?keyword=ffxiv+the+howling+eye+hard+guide In PDF document text
    • http://files.teesdalechallengewalks.net/uploads/1/3/1/3/131379343/6f2ba14b7446.pdfIn PDF document text
    • http://loruvogu.clearviewsecuritysystems.com/uploads/1/3/1/8/131856158/1831373.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/1/0433/4790/2629/files/kikekulonusevejowojakatav.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6331/1513/files/2560152273.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0318/3258/files/zuzegegakotegu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/61286624564.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3654/0056/files/81666889567.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5865/8469/files/96988602340.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3665/5259/files/avast_free_antivirus_software_for_pc.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7061/1871/files/weretapegoku.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2732/5343/files/71914204411.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/1682/0648/files/31674296081.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 8

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

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006f52.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F52 5268 bytes
SHA-256: 55f2d7299a5e82b6890114f2f9617b11df52636ab80005813b7bdff374bab687
font_01_sfnt_off00008157.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8157 14112 bytes
SHA-256: 08cd5a8ce59ae24b1f99cf3b198ad62482cf73753cfd8ad2a758e364d461431e
font_02_sfnt_off0000ad70.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAD70 16092 bytes
SHA-256: e9fe716c2abc985b12a899a49d5539e4e8be1b56d50c083b30290d85a2a7c848

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