Malicious PDF — malware analysis report

Static analysis result for SHA-256 070342c307abcc20…

MALICIOUS

PDF

42.6 KB Created: 2020-08-12 09:41:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 72ad75a6d5268bf1674e0bfc91e1042f SHA-1: 683aeab0259488668347128bbf422001215db94b SHA-256: 070342c307abcc206f10d7645d9812fd0f45ae9566d6685e86c47d727ef36ed5
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous links designed to appear as legitimate downloads but redirect to a malicious SEO redirector infrastructure. The primary redirector URL is https://ttraff.ru/pify?keyword=online+architecture+books+pdf, which is associated with a link farm tactic. This suggests the document is part of a phishing or scam campaign aiming to drive traffic to malicious sites.

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=online+architecture+books+pdf In PDF document text
    • http://files.circlesgr.org/uploads/1/3/1/6/131606262/wawus.pdfIn PDF document text
    • http://files.merrifieldseminar.com/uploads/1/3/2/7/132710655/7749287.pdfIn PDF document text
    • http://files.sttimothysbishop.com/uploads/1/3/0/7/130775784/xegolenetiba.pdfIn PDF document text
    • http://files.hprcolumbus.com/uploads/1/3/2/7/132740361/37da182c6.pdfIn PDF document text
    • http://files.petersonsbiggame.com/uploads/1/3/0/7/130776167/a321ac40.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/1/0429/7375/7603/files/14624782299.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/1639/4648/files/66683412698.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6162/2437/files/47474461591.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7604/3423/files/71860228464.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2513/6792/files/53298311695.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8065/5775/files/nilenatefexaxolivu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2169/6149/files/area_code_340.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8894/5064/files/84495089258.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/5559/1073/files/98975562526.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6086/2874/files/amadeus_peter_shaffer.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8910/0957/files/fiwexexosubalek.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_off00006769.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6769 5472 bytes
SHA-256: 6fb73002b401847d721793c79b1d0ba576f85600b4cc9a1e73497e1885aaa570
font_01_sfnt_off000079f6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x79F6 10420 bytes
SHA-256: a2803293c40f696541a77eed293c563fbd65a10ec5dcfdcaee9249c1076cfba4

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