Malicious PDF — malware analysis report

Static analysis result for SHA-256 cae34533069ecece…

MALICIOUS

PDF

67.6 KB Created: 2020-08-27 13:08:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 881a75677858427b4138cd6cccb2b7dd SHA-1: 0b232790e5c9fccb484bc12d2e28bca4b4afc0a5 SHA-256: cae34533069ececeaf08ad04b65e63b6b96cff45bb1e6e7f294cd53229070d46
194 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com, and one specifically to a known malicious redirector at ttraff.cc. This indicates a social engineering attempt to direct users to malicious content. The document body itself is heavily obfuscated and contains the malicious redirector URL, further supporting this attack pattern.

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=estructuras+artificiales+gif In PDF document text
    • http://files.marsparentgroup.com/uploads/1/3/1/4/131437561/zododawuf.pdfIn PDF document text
    • http://files.shetlanddesigner.com/uploads/1/3/1/4/131438501/a0eb149f2871.pdfIn PDF document text
    • http://napas.flyajetsim.com/uploads/1/3/0/9/130969690/sagivi.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/1/0462/3692/6103/files/pokemon_ruby_v_1.0_rom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8170/2303/files/wacom_bamboo_cth-_470.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2392/5402/files/73500937051.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0200/2595/files/adaptive_leadership_model.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0850/6531/files/haiku_fan_user_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1382/3909/files/buscar_informacion_de_personas_por_dni_peru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7177/3601/files/19782133483.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8126/0440/files/45347894498.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0458/2368/8867/files/the_good_doctor_korean_movie.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2681/6932/files/68692238587.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/8533/8526/files/paxanibalagomuba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5309/5844/files/806146854.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9901/2766/files/649_f_6045.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4984/3868/files/english_grammar_brush_up.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_off0000cb76.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCB76 5004 bytes
SHA-256: c9e58a6a4f983ba7f392f0710898b07079a45b00a6221e1416f851c88ad9c90d
font_01_sfnt_off0000dc8c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDC8C 11196 bytes
SHA-256: 7b3da2bdc07139faa5c2a8efcf673a0ae7d5bbf1d500c1036be7381c5259aea7

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