Malicious PDF — malware analysis report

Static analysis result for SHA-256 f368082540afcd28…

MALICIOUS

PDF

54.2 KB Created: 2020-08-26 05:20:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d3db9ba6895d5ed8dd0f6514446e165d SHA-1: 3e12382f51497f0bbe9028ff064a4bf6c52c4275 SHA-256: f368082540afcd28cc67a890f1e559d0eb7d7de30e53f72fc93fd4bde95c54fa
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many hosted on Shopify. The document body, though heavily obfuscated, contains a URL that appears to be a lure for downloading a soundtrack, which is likely a pretext for directing users 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=final+fantasy+xiii+2+soundtrack+download In PDF document text
    • http://files.lyc.ca/uploads/1/3/1/3/131379296/9432139.pdfIn PDF document text
    • http://xokegoz.briannedempsey.ca/uploads/1/3/1/3/131384429/sanakowesasu.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/1/0433/3967/7861/files/difimetirifisujosixipizev.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0461/8944/5283/files/bivalinozudepixuvapabimal.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2625/9876/files/59550210490.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7006/2754/files/accounting_rate_of_return_example.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6236/1245/files/rinibiferamavonanotazol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9805/4558/files/4734293297.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7152/7325/files/biology_exploring_life_online_textbook.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0821/2638/files/auto_vs_manual_350z.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 3

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000070fc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x70FC 5884 bytes
SHA-256: 165cae1059d71d306e7c76580dcc973ae4f082632a00ce45ffbe30ddfe120c02
font_01_sfnt_off00008538.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8538 5428 bytes
SHA-256: d8256677c8ee3f162b955f15504d01aa48ed7796cffb180f76cf3a9ae96b9b4a
font_02_sfnt_off000097d7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x97D7 16120 bytes
SHA-256: a801c97b0e4e11a6592cc6d90ffb4cd532b5df0fea283a0818490ee46e56402f

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