Malicious PDF — malware analysis report

Static analysis result for SHA-256 cceed1ba327a7828…

MALICIOUS

PDF

39.9 KB Created: 2020-08-19 19:27:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 08ceb65f399febe995b0d63f32f880e2 SHA-1: d79030a32145587f9363d461eee3a4f324e5cf08 SHA-256: cceed1ba327a7828307a620a95724a3e02cd948c0d07ff5009d666374e1ece4e
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 pointing to shopify.com domains, but one critical link directs to a known malicious redirector at ttraff.ru. This suggests a link farm or SEO poisoning tactic to distribute malicious content. The ML classifier also strongly flagged this PDF as malicious. The document body contains text related to 'Diy bead roller sheet metal' and the authoring application, which appears to be a lure to disguise the malicious intent of the embedded links.

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=diy+bead+roller+sheet+metal In PDF document text
    • http://files.stclementofstamford.com/uploads/1/3/1/3/131378838/soperoburekurobexuv.pdfIn PDF document text
    • http://files.erinboake.com/uploads/1/3/0/7/130776718/maxul_zefanenumu_ruxuxotevar_jazomagudigem.pdfIn PDF document text
    • http://files.kirtansongbook.com/uploads/1/3/2/8/132816107/lukodosupivavoj.pdfIn PDF document text
    • http://vakiz.georgianhighlandshoa.com/uploads/1/3/1/1/131163601/bejalalorijapez_ladetip_vokesewerela_palarazir.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/1/0438/2287/4781/files/que_es_bienestar_social.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/0214/8510/files/hamachi_server_minecraft.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/78539107281.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9105/1161/files/92554400891.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2131/9839/files/cataratas_en_perros.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2856/8474/files/digital_electronics_questions_and_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7098/0245/files/pharmacologie_de_l_appareil_respiratoire.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7602/5497/files/76477400629.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3355/1260/files/laketokulijubinun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6855/5415/files/kupumosawogure.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0638/5558/files/lituberuselonexekana.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3348/5727/files/badinage_bozza.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_off00006004.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6004 5304 bytes
SHA-256: 2a137501f891d2d011666a4b43ba8e4bbe81c5965ffcf365b6b853bc4957d9e1
font_01_sfnt_off000071df.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x71DF 9676 bytes
SHA-256: 606e251b13949add06a028b4c9fcddef41c155707277fde75c8e1ab102955d6a

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