Malicious PDF — malware analysis report

Static analysis result for SHA-256 d2affb59d49f0206…

MALICIOUS

PDF

43.8 KB Created: 2020-08-11 09:27:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3a54614f318d3378281b21d714f49fcd SHA-1: dfb832594e08e379814fe7eab20007a03489284d SHA-256: d2affb59d49f02063ed23a08bf635848043999ecc059e1945081c9196e25190d
210 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link T1059.001 PowerShell

The PDF contains multiple embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'rule 96a of cgst rules 2020 pdf' and includes a URL that appears to be part of a link farm. This suggests a social engineering attempt to trick users into clicking malicious links, likely leading to further compromise. The presence of a malicious redirector and a link farm indicates a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 7

  • 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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=rule+96a+of+cgst+rules+2020+pdf In PDF document text
    • http://dokibamis.royaltyriseproductions.com/uploads/1/3/2/6/132681501/kodirotonoga.pdfIn PDF document text
    • http://files.kenjorgensendesigns.com/uploads/1/3/1/4/131453062/6974291.pdfIn PDF document text
    • http://files.gretchendriscoll.com/uploads/1/3/2/7/132740951/1b04c.pdfIn PDF document text
    • http://gigimuda.emmanuelcoshocton.org/uploads/1/3/0/7/130775432/wojegoxakobewom.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/1/0431/6574/5309/files/palunarezokomenega.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6299/2795/files/wwe_raw_11_9_15.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6385/2712/files/19992262906.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5032/0543/files/leo_l._beranek_acoustics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0185/5646/files/jabowubizebadaruzejojewob.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1338/1028/files/65132426061.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/garul.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6425/2826/files/23740538642.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4191/5042/files/89941809453.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7045/5957/files/13778107026.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6471/1575/files/froot_loops_font.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/7186/8821/files/gakisevu.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_off00006b1e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B1E 5912 bytes
SHA-256: d34a01613d6e4e3afd642c87f5a962274b5530f543c4d4e168100fb6cd9d51ae
font_01_sfnt_off00007f49.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F49 10360 bytes
SHA-256: 187766a951858050599d859a5b5aebae2058e0738ad6be3e800b5c421946e3dc

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