Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ea90859121af149…

MALICIOUS

PDF

33.9 KB Created: 2020-08-07 19:49:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c19e4727ad15bd0d6a79435965afb01c SHA-1: 3bc7da4aa047be07223448350cf9b9f4d8f54fa7 SHA-256: 3ea90859121af149eb26dfbe6acc1ff9826017cbd39ecc4dfd9eede302c05d81
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 benign Shopify URLs, but one critical link redirects to the known malicious domain ttraff.cc. This indicates a social engineering attempt to trick users into visiting a malicious site under the guise of providing guitar tab information. The ML classifier strongly supports the malicious verdict.

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=pink+floyd+coming+back+to+life+guitar+tab+pdf In PDF document text
    • http://xigaga.nebraskaarteducators.org/uploads/1/3/0/8/130814328/e355b7.pdfIn PDF document text
    • http://files.haslettfootball.com/uploads/1/3/2/6/132681556/kabobidi-wuzubure-vukuni-rudito.pdfIn PDF document text
    • http://rivot.ridgewaybaseball.com/uploads/1/3/1/8/131856333/nopovepugavenolu.pdfIn PDF document text
    • http://files.selfexposed.co/uploads/1/3/1/3/131383548/564232.pdfIn PDF document text
    • http://files.morningrosehouston.com/uploads/1/3/2/6/132695568/8957897.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/1/0435/3543/3882/files/bsc_1st_sem_chemistry_notes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5470/3526/files/pitch_perfect_book.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/5592/1817/files/91284549228.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0379/5865/files/la_administracion_publica_en_la_constitucion_espaola.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8516/0857/files/bagunebakixoz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6006/0567/files/90469320788.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5432/6179/files/87679835440.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8317/7885/files/64523705574.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8298/1281/files/58525143520.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6710/5687/files/sukinikuli.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4224/9621/files/neversinks_tornado_shot.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1312/8863/files/tekafi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7392/9377/files/disune.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_off00004692.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4692 5604 bytes
SHA-256: f674d34633560702660ae8a308894328b9374c03fa6479f23c926f2f87e47bd4
font_01_sfnt_off0000599a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x599A 9588 bytes
SHA-256: d6ea2cdf0a9cb8f889fdd0b603e71e4d67206fb83fb40a408ef3ba729f8107ca

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