Malicious PDF — malware analysis report

Static analysis result for SHA-256 1eabdf9ff62bbbf7…

MALICIOUS

PDF

39.5 KB Created: 2020-08-17 14:45:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 81cef661e430c1ee8c753d155cfcc99c SHA-1: 249b35b986e995c0d5277102326d4784c93b0126 SHA-256: 1eabdf9ff62bbbf7e384268dde07fcba4a3b58f69c3e975a034897e225b081ab
194 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to a redirector service known to host malicious content. The document body, though partially corrupted, contains a URL related to a 'cricket mobile game' which likely serves as a lure. The primary heuristic indicates the PDF is a malicious redirector, attempting to lead the user to harmful sites.

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=cricket+mobile+game In PDF document text
    • http://files.dieseledge.com/uploads/1/3/0/8/130813489/80f1d0603ef.pdfIn PDF document text
    • http://files.smrhoa.net/uploads/1/3/0/7/130776682/ximosopuvames.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/1/0432/8813/3787/files/contemplate_life_gif.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7084/9177/files/magisterium_livro_1.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8845/4559/files/pananibufujetoxot.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1978/6645/files/60811195108.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0506/7943/files/81276249649.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2724/2903/files/aditya_birla_health_insurance_proposal_form.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/2121/9493/files/93080566401.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7684/5728/files/fasb_asc_842.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 2

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_off00005ca4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5CA4 5048 bytes
SHA-256: 922fc14a0c88cb59a541c64974cafc20d4ddc1b47449aea83a77ce55e8dcfb75
font_01_sfnt_off00006db9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DB9 10644 bytes
SHA-256: 35e9389cb01b8924a2f34bd23ef05c4d06e29306236d25a939ab00e2825594d7

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