Malicious PDF — malware analysis report

Static analysis result for SHA-256 89a7de6b4efb82c7…

MALICIOUS

PDF

43.8 KB Created: 2020-08-27 16:08:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7633d5783db73ac2702790fd55329978 SHA-1: 51699d5cd708f81baa35a69b16b2519e37135bef SHA-256: 89a7de6b4efb82c7e74d9cf4250a02acc7d00136c938843a1702e391674dbf94
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a lure promising a free game code, directing users to a known malicious redirector. The document body and embedded links indicate a phishing attempt to drive traffic to malicious infrastructure. The ML classifier strongly supports the malicious verdict.

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=nba+2k17+digital+code+free In PDF document text
    • http://files.sixinseoul.com/uploads/1/3/0/7/130775357/2c5f53008f.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/1/0431/5332/6241/files/1393289110.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0252/5856/files/39917246979.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7128/2079/files/85257677430.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1292/2264/files/jixotilozawafi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0465/5123/6766/files/download_wizkid_daddy_yo_video.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2182/0313/files/99471555748.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2014/7093/files/kalikasan_ng_akademikong_pagsulat.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2010/8455/files/45976502972.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3264/0679/files/xipozimunujepulotebe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7754/2823/files/27814448555.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4261/1095/files/manual_de_barras_de_access_consciousness.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_off00006cc7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6CC7 5448 bytes
SHA-256: 7ed60ef29d0cff874f3e1672dc0070c3c8c533195d81abbfd169e2afa9eff8fc
font_01_sfnt_off00007f70.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F70 10436 bytes
SHA-256: ba4ad0452137a5a5f9e1d0eaf2b4966acc9e5e8f16d386ebf38cbb58629b3b92

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