Malicious PDF — malware analysis report

Static analysis result for SHA-256 d9a1a702bbb965c2…

MALICIOUS

PDF

44.4 KB Created: 2020-08-11 03:12:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7bde853a03a39036b302ea6afb319b9a SHA-1: c2de533cd9432ee27214349e0ae52892d404e1fb SHA-256: d9a1a702bbb965c2e77f56d102092691b794ded3eb744a24937986f594ef953a
194 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=lilly+cardiology+pdf+download'. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, including one to 'https://cdn.shopify.com/s/files/1/0434/3631/0693/files/image_color_inverter.pdf'. The document body, though heavily obfuscated, contains text related to 'Lilly cardiology pdf download', suggesting a lure for users seeking specific documents.

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=lilly+cardiology+pdf+download In PDF document text
    • http://files.whitemanonline.com/uploads/1/3/1/4/131406149/rarijufevebonirinixe.pdfIn PDF document text
    • http://files.webuysouthernmdhomes.com/uploads/1/3/0/7/130738821/7282874.pdfIn PDF document text
    • http://files.donnaliberalistore.com/uploads/1/3/2/6/132681826/9086646.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/1/0434/3631/0693/files/image_color_inverter.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2962/6017/files/77314544568.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8814/0696/files/bisirokufum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3106/7813/files/rolatibav.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5657/8212/files/for_you_staind_lyrics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9342/5316/files/93397432877.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/3248/6823/files/83406444907.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9140/9558/files/87367059578.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zukukujumifuxutage.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8489/7701/files/20503483840.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5162/2306/files/zekolovulutufoxe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7447/6440/files/2045394694.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2315/5878/files/liberation_war_of_bangladesh_1971.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3655/7987/files/2836836304.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_off0000702e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x702E 5280 bytes
SHA-256: 20e3f044bb7642b5349fe86161fc9c63e7de311e742ff0e335258217646484c7
font_01_sfnt_off00008248.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8248 10024 bytes
SHA-256: 6d98cb8ebe2d8aba1d5a703967c445752dcc6a4bd682935245918f75d6bba99d

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