Malicious PDF — malware analysis report

Static analysis result for SHA-256 6468b5bdea344e88…

MALICIOUS

PDF

69.5 KB Created: 2020-08-11 07:43:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 0792b4b2d581ad087a085d4e61914ca9 SHA-1: f3160cd990744bcd68c33a02bf52fe11a5a14cd3 SHA-256: 6468b5bdea344e88993c8f210495de3cad9a1faf99a433829784545a52650626
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous embedded links, many pointing to a redirector service (ttraff.com) which is flagged as malicious. The document body, though heavily obfuscated, contains a URL that matches the malicious redirector, suggesting the primary purpose is to drive traffic to malicious infrastructure. 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=role+of+social+worker+in+community+development+pdf In PDF document text
    • http://files.iriswynne.com/uploads/1/3/0/9/130969192/jiluvelebab.pdfIn PDF document text
    • http://files.cynthiawidawski.com/uploads/1/3/1/0/131070861/371a75a038.pdfIn PDF document text
    • http://files.pstreetstudio.com/uploads/1/3/1/3/131384025/7f3b7b7a.pdfIn PDF document text
    • http://files.simplified-networking.com/uploads/1/3/1/0/131071056/basiziwipos.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/1/0431/0745/1041/files/35452039618.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1512/7708/files/academic_research_writing.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6823/5682/files/65437812432.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9623/6447/files/gipemeredogozepav.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1942/6198/files/pejanodelusetodajep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/3955/9578/files/general_interview_questions_and_answers_for_experienced.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/53059057271.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8788/8535/files/vanilla_wow_alliance_leveling_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8797/0975/files/60514544891.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0653/3525/files/gefoxezewefizokobad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6988/8929/files/d3_patch_2._3.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5242/4598/files/83432222489.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/38692385895.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_off0000d12e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD12E 5624 bytes
SHA-256: 7dcc28c96d8f3954ca47cf3ec4348377e438f112c4051d694ce0d31dd6b0d88d
font_01_sfnt_off0000e45d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE45D 10512 bytes
SHA-256: 5b6244bd63e4174bed94bffe0aadd30aab6df58ab8ec294a2a21c52ec11f60a7

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