Malicious PDF — malware analysis report

Static analysis result for SHA-256 70225a3f53c1499d…

MALICIOUS

PDF

44.4 KB Created: 2020-08-10 16:13:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ffff8296a5430f8b7a74e49f9705710b SHA-1: f4848314960b56fff6a5235adf0f1b32b7cebd83 SHA-256: 70225a3f53c1499d48794672e00e678e024c6b72e89d86b66d48879f761827d5
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains numerous links to external PDFs, many of which are hosted on Shopify and appear to be part of an SEO link farm. The primary link, 'https://ttraff.com/pify?keyword=learn+english+urdu+book+pdf', is identified as a malicious redirector. This suggests the document's purpose is to redirect users to malicious infrastructure, likely for phishing or malware distribution, under the guise of providing a free book download.

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=learn+english+urdu+book+pdf In PDF document text
    • http://files.kristindraws.com/uploads/1/3/0/9/130969418/8628287.pdfIn PDF document text
    • http://files.hillsidepreschoolnj.com/uploads/1/3/2/3/132303373/malakuwafifotufede.pdfIn PDF document text
    • http://files.karlyperez.com/uploads/1/3/0/8/130814714/puvesu-dilakinenisam-maxajake.pdfIn PDF document text
    • http://kogezebil.br3h.com/uploads/1/3/1/6/131606027/daturepizuvo.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/1/0429/3846/6460/files/94094108763.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8103/1061/files/32419531572.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8917/4432/files/91858623004.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1816/5146/files/xuxevefidakinimazavi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/7679/5030/files/articulo_placa_bacteriana.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5109/0077/files/80121533073.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2890/6138/files/gupojisavereloz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5949/4555/files/nevebeximexozene.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0016/7589/files/complete_guide_to_embroidery_stitches_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8620/8406/files/definisi_pluralisme.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2190/1729/files/9557574251.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

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_off000059dd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x59DD 5448 bytes
SHA-256: 0c2943fe89e4e50617e99652a0aac6789ee5b4fe217b602d0ecd9bd575f6e7d0
font_01_sfnt_off00006c57.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C57 9896 bytes
SHA-256: f6249a7927718f67b7fdfb8b3603c22528e979149d0f32621f624bbeda4ab8a7
font_02_sfnt_off00008e81.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E81 16544 bytes
SHA-256: 1b44218257806f750c7fedc2cca84b6b30ff477c2da870f9e14c0541087d9c9f

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