Malicious PDF — malware analysis report

Static analysis result for SHA-256 979dbb7921c73444…

MALICIOUS

PDF

48.4 KB Created: 2020-08-28 08:39:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 239f810ebd22ec234ead96d2ad035f65 SHA-1: e9aeaf5769671dccc6e369d18f377de019933473 SHA-256: 979dbb7921c734444b7b295ba242eecbadb92015ffd7efbdea5488dec4f543f9
194 Risk Score

Malware Insights

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

The PDF contains embedded links that redirect to a malicious URL, specifically advertising '60 second binary options'. The ML classifier strongly indicates maliciousness. The primary attack vector appears to be social engineering through a deceptive link, likely leading to a phishing or scam page.

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.me/pify?keyword=60+second+binary+options In PDF document text
    • http://files.vosspecans.com/uploads/1/3/1/4/131412362/zobonimufoj-betuwu.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/1/0435/9372/8159/files/nuviviripinivutojef.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6026/5117/files/46109442419.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0003/5485/files/cloudformation_template_ec2_security_group.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2775/1321/files/free_printable_worksheet_for_preschoolers_on_numbers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0777/8711/files/mutanaxusonevulo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9903/6573/files/xebuz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4333/8912/files/cincinnati_shear_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0451/7157/2885/files/nrsv_bible_file.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9417/1036/files/bdo_witch_gear_guide_2018.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/3402/1788/files/buwuwupirubowiwinoxetag.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5763/5735/files/grafters_monkey_boots_size_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2885/7503/files/darejurajufovotebeg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0995/0367/files/xifajiveso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3598/4029/files/tuzejuberigomotutotupizu.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 1

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_off00007eae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7EAE 5476 bytes
SHA-256: 028358f4941e314e40b77e2bed25d6fd0b5aff1c0f103d50bf67fe677a85c7a4
font_01_sfnt_off0000913b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x913B 10428 bytes
SHA-256: 26cbc0ceb84a1a3e0e70d086f8e211ceacbf6ccf605fb4a3d0a7acd7dc93b0a0

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