Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee977a13351319f8…

MALICIOUS

PDF

40.1 KB Created: 2020-08-26 08:37:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: daaea3ddbd3189f41b1fbd8181cd6846 SHA-1: e64b4b7be1fe9f079b587ca16112dc7a771189cb SHA-256: ee977a13351319f8a6f8cabdac652f857a56c7e783298d473930c88b1daa623a
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, with one pointing to a known malicious redirector at 'https://ttraff.ru/pify?keyword=take+on+me+fingerstyle'. The document also exhibits characteristics of a PDF link farm, with numerous links to external PDF files hosted on cdn.shopify.com. This suggests a likely attempt to manipulate search engine results or distribute further malicious content. No scripts were extracted from this sample.

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.ru/pify?keyword=take+on+me+fingerstyle In PDF document text
    • http://files.wistorian.com/uploads/1/3/0/7/130739758/sabid_selik_baletoralo_mozifo.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0452/5575/3889/files/xegorakanetofalejadesu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8253/8403/files/50923288717.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9125/5713/files/android_9_call_recording_xda.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5345/7320/files/36496475302.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6068/1111/files/matti_di_khushboo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5737/9488/files/cardiac_murmurs_made_easy.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0451/0928/0933/files/almacenamiento_de_datos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5548/0981/files/lipoxonasiporaxe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8496/2199/files/gift_voucher_template_publisher.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 4

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_off0000530c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x530C 4988 bytes
SHA-256: c320f03c9d5378e6ec26f173edde29f1f436cfae20f0edf806b4cf465f54733e
font_01_sfnt_off000063f7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63F7 9908 bytes
SHA-256: bfd9ea3457a80a22dbb2e199f5c998acfe92e08df6fcaf03ae6081538486aa94
font_02_sfnt_off00008615.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8615 4324 bytes
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3

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