Malicious PDF — malware analysis report

Static analysis result for SHA-256 e070f7d5f060dde1…

MALICIOUS

PDF

65.7 KB Created: 2020-08-06 10:57:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d4b8d71b4eba80fa5933011ec5b0ac95 SHA-1: e59806543a49a53ce5e3f6affd917ad27a472cc4 SHA-256: e070f7d5f060dde16d5394a0233660bf0bc68289c7990e1d7691ee402fbbe428
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=small+aircraft+wing+structure+design+pdf'. This indicates the document's primary purpose is to redirect users to malicious sites. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm designed to improve SEO for malicious content. The ML classifier also strongly flagged this PDF as malicious.

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=small+aircraft+wing+structure+design+pdf In PDF document text
    • http://files.beautifulshares.com/uploads/1/3/1/6/131607889/toxapavasowil.pdfIn PDF document text
    • http://files.simonsayskennel.com/uploads/1/3/2/6/132682639/3533547.pdfIn PDF document text
    • http://files.yin-tang-therapies.com/uploads/1/3/1/3/131384424/dodinadoseravo.pdfIn PDF document text
    • http://files.indesignz.us/uploads/1/3/0/7/130739081/zotaropipaz.pdfIn PDF document text
    • http://files.coefyouth.com/uploads/1/3/2/3/132302749/pateliwugusimuxi.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/1/0429/4970/5881/files/ruvuder.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0009/4112/files/229258309.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6287/6565/files/zedolipozu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8153/9489/files/powerscore_logic_games.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5681/6540/files/antibioticos_usados_en_veterinaria.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2287/5800/files/41471871285.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1760/0152/files/92412512579.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5250/7036/files/9154402469.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0609/9605/files/kujutobijipopek.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_off0000bd28.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBD28 5668 bytes
SHA-256: fd78cdd294340b3dc4faa26954d3c6564d7e0e88d8749c8871fdec88ada39aa1
font_01_sfnt_off0000d074.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD074 12868 bytes
SHA-256: 4786c0ff89620e70778738911f77d91ae6313e9012a0022156eaa27b00852859

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