Malicious PDF — malware analysis report

Static analysis result for SHA-256 34f21c5602724a1d…

MALICIOUS

PDF

42.7 KB Created: 2020-08-17 17:24:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e30d8f4ec9c4048b13eee4d707735a17 SHA-1: 64b99d799d2d705516820c937fec680d141234ec SHA-256: 34f21c5602724a1d6adc2b202fbb03ef4d3499379e2c56cd6cf6455ba496f5fd
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a malicious redirector link disguised with a lure of "baby child girl picture". The ML classifier strongly indicated maliciousness, and the PDF was found to contain a large number of external links, many hosted on Shopify, suggesting a link farm for SEO poisoning or traffic redirection. The primary malicious IOC is the ttraff.com redirector.

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.com/pify?keyword=baby+child+girl+picture In PDF document text
    • http://files.joejuneandmae.com/uploads/1/3/1/4/131453247/dalezizigak-fizasukenedujuf-kigijapepo.pdfIn PDF document text
    • http://files.flawlessimagemedspa.com/uploads/1/3/2/6/132681342/bolatijilusagek.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/1/0431/1197/3026/files/libaxefametorovotemexo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7310/9152/files/napuvu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8197/3416/files/water_pokemon_name.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7379/8298/files/20955019689.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3273/1038/files/xinalanunojemafirezus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7790/2241/files/49642078583.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/21244882445.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9324/5590/files/wepomebox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2965/9797/files/butchery_business_proposal.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9614/6074/files/separador_de_imagenes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0416/6297/files/allahabad_high_court_aro_result.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0451/7802/8183/files/31583548235.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/3603/0614/files/komajekixalapuzun.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006812.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6812 5448 bytes
SHA-256: 9a3f7148908cba26f7371b0abbbbb0ba988089de9c6af4f99459a7b05aef2587
font_01_sfnt_off00007a8c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A8C 10400 bytes
SHA-256: 76eb5ca816c57d0d48573879a34c6c94f37a40adafeac2f051fa5b9ada217ebf