Malicious PDF — malware analysis report

Static analysis result for SHA-256 564b29fd96cfafdf…

MALICIOUS

PDF

33.4 KB Created: 2020-08-24 08:16:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c102f3bbe098f8dc6ab14534003b9a03 SHA-1: 955b92b70adaa5730f05d552995d2ac7494209b1 SHA-256: 564b29fd96cfafdfd8884730413e4eda405e2c3608a3a5d57cc2000eaefe57ba
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 'https://ttraff.ru/pify?keyword=zumba+boogie+woogie+song'. Additionally, it exhibits characteristics of a PDF link farm, with numerous external PDF links, including one hosted on cdn.shopify.com. The ML classifier strongly supports the malicious verdict. No scripts were extracted, and the document body is heavily obfuscated.

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=zumba+boogie+woogie+song In PDF document text
    • http://files.anna4animals.net/uploads/1/3/1/3/131398010/gifekififu_nujibeneziba_xisad_pobuzuduvasi.pdfIn PDF document text
    • http://susij.norfolkmedicalservices.com/uploads/1/3/0/7/130775164/togewadoj_pilapibetovusa_jigawopizusub.pdfIn PDF document text
    • http://files.votechristmas.com/uploads/1/3/1/3/131384468/tanivipalorebavume.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/1/0429/9699/0105/files/68423707238.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0444/2878/7878/files/maviredezogenowasepivona.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3355/8182/files/languidez_que_significado_tiene.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0463/0488/6941/files/71973981083.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6152/6166/files/nuclear_throne_weapon_ids.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4493/7628/files/77186899030.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6910/2485/files/ashabi_uhud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6471/1575/files/26150728985.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8030/2238/files/59484040887.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8000/0422/files/modele_attestation_employeur_assistant_maternelle.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
🗂 Part of campaign: backnbalance.org 4 samples

Related samples 1

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_off000047e0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x47E0 5068 bytes
SHA-256: ee0ef454594a40a304f2f4c00e14b88eaa8cc4ad01ac8f659cb8b8f74a24a46f
font_01_sfnt_off00005924.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5924 9384 bytes
SHA-256: 511513f29770d38d5c34efc381c98b6007d02f008b51fe2c33e8459de3b99668

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