Malicious PDF — malware analysis report

Static analysis result for SHA-256 381f209009689f56…

MALICIOUS

PDF

53.1 KB Created: 2020-08-06 19:10:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f9ef5e75254fd5204b8924ef808f29d0 SHA-1: 7b9152bed553031fc32e16984008c66c3c3fb8ba SHA-256: 381f209009689f567c989a7005083109cc5ead2533f2d2cfcb3cc4582277d423
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains the text 'Bagpipe music book pdf' and the malicious URL, suggesting a lure to trick users into clicking the link. The PDF also exhibits characteristics of a link farm, with numerous external links, many pointing to Shopify domains, likely for SEO manipulation to increase visibility.

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=bagpipe+music+book+pdf In PDF document text
    • http://files.gracefulbeginnings.ca/uploads/1/3/0/8/130874108/genarutiveloxe-zakusub-vegeboviza.pdfIn PDF document text
    • http://files.haveaseatcolorado.com/uploads/1/3/0/7/130738748/d270e3c56.pdfIn PDF document text
    • http://files.ctsonline.org/uploads/1/3/0/8/130874676/6891893.pdfIn PDF document text
    • http://files.wild-tiger.org/uploads/1/3/1/3/131378915/4030177.pdfIn PDF document text
    • http://files.hemispheretohemisphere.com/uploads/1/3/1/6/131606201/wepukaw.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/1/0429/9295/9642/files/5721238651.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0454/7044/9816/files/bora_nn_kitab.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1697/7559/files/fiwazebuv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4746/1788/files/majekebudud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5337/5897/files/32241998202.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8886/2614/files/64891629331.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1325/7885/files/69518984308.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2385/9873/files/supagisivewifo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6071/4904/files/sukotunokenexeratix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2560/3488/files/55334550024.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

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_off000072ad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x72AD 5600 bytes
SHA-256: dddb540d5e33ae219d1a280cdea666d9701be6bc0af0fe39879ca7cd91d8492b
font_01_sfnt_off000085b7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x85B7 14456 bytes
SHA-256: 795d1ab40c66e63444e371d02f3db93a1b6274fe448ba81ac6e3215f8b582ed1
font_02_sfnt_off0000b270.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB270 16120 bytes
SHA-256: 15a68420f1c377824b8c1fd571ac7c30556db1b4bc05006bf44ec3f6c6c83208

Open this report in the interactive analyzer, or submit your own file for analysis.