Malicious PDF — malware analysis report

Static analysis result for SHA-256 6bdb26076aef625b…

MALICIOUS

PDF

42.8 KB Created: 2020-08-23 11:49:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 40c6a3a23f2cd88df1c89fc1a8356bb2 SHA-1: e7893a6cf282ae3cd4ce896bb405ec31d9ca239c SHA-256: 6bdb26076aef625b0ef721b086a4301a6cc80ebc1996fb5ff0b59a3529cbe867
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded links, with one prominently identified as a malicious redirector. This redirector, 'https://ttraff.com/pify?keyword=fishing+report+bull+shoals+lake+mo', is likely part of a phishing or scam campaign. The document body, though heavily obfuscated, contains similar URLs, reinforcing the malicious intent. The ML classifier also strongly indicated maliciousness.

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.com/pify?keyword=fishing+report+bull+shoals+lake+mo In PDF document text
    • http://files.rbaappalachianministry.com/uploads/1/3/2/7/132712127/8290445.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/1/0428/3557/4943/files/9789852845.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5706/9721/files/nebutetetaram.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2663/5162/files/zone_assistive_touch_pro_apk_rexdl.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1350/4156/files/88273385924.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0457/3636/2140/files/madotenivubazozotegeva.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8495/5300/files/kefowuteriri.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6177/1430/files/lifulawun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5381/6728/files/zokovexotetupixexukilulo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8148/9818/files/59631614034.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0268/2789/files/majoworolodoguza.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3598/4029/files/bajelekek.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3816/9498/files/algebra_1_regents_june_2020_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9972/4702/files/29055380136.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_off000069ae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x69AE 5392 bytes
SHA-256: abdd2ee5bf1b038fe8ac40046adf95fa76fbec1914e5fdc73d5bb6b72ffd30a6
font_01_sfnt_off00007bcd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7BCD 10180 bytes
SHA-256: ffc52edf077f86df203dc8487d669555bd4d76934eae329806732cbbd80266c8

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