Malicious PDF — malware analysis report

Static analysis result for SHA-256 3611060147144f87…

MALICIOUS

PDF

43.3 KB Created: 2020-08-17 01:54:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a61197272373d4ed59b105117e740bca SHA-1: a703f2a6872579b1a422bd5b753578d805eca749 SHA-256: 3611060147144f87d2cc363bf92ff27c75277a742b36c98e2a42e5b163088037
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to a redirector service known to host malicious content. The document body itself contains obfuscated text and URLs, including a specific redirector URL that appears to be part of a SEO link farm tactic. This suggests the document is designed to drive traffic to malicious sites, likely for phishing or malware distribution.

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.cc/pify?keyword=consumer+reports+top+washing+machine+2018 In PDF document text
    • http://files.shannoncousino.com/uploads/1/3/0/8/130813948/0278abf817e.pdfIn PDF document text
    • http://files.praxismachinecodinglessons.com/uploads/1/3/2/3/132303388/tefuzujorenufo-zedunedov.pdfIn PDF document text
    • http://files.miam-foundation.org/uploads/1/3/1/4/131438313/67aaa3540.pdfIn PDF document text
    • http://files.surrenderedtochrist.org/uploads/1/3/2/6/132681656/wulegi.pdfIn PDF document text
    • http://xivis.camforgetool.com/uploads/1/3/1/6/131637562/c772b01e45.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/1/0431/0630/4166/files/98969840237.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0451/4018/1146/files/cute_sad_girl_pic.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2192/5525/files/gimezopubigidujatadolabi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8289/9871/files/29853426403.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2186/7930/files/business_process_management_deployment_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7547/7416/files/75996315003.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5482/4598/files/bingo_chart.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4297/1553/files/sugaribano.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/23631451812.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2123/6386/files/92422949755.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2860/3295/files/sawugeju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7329/6801/files/wifuzix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0820/4704/files/ritemejuriguwefuwabogap.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_off00006c9d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C9D 5832 bytes
SHA-256: 3d5fcd71c61f26fa1cd025970f150ff2c605e9b7b9775f12871e052fb24b7d35
font_01_sfnt_off0000805c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x805C 9348 bytes
SHA-256: 1d0b7b7b36bdf698b38f0045688b68b41cb3367a75fb8903a628cec06ed7c8ee

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