Malicious PDF — malware analysis report

Static analysis result for SHA-256 99eafc9c7e4e70ca…

MALICIOUS

PDF

44.1 KB Created: 2020-08-25 13:17:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 43d35ce051e7653dd44c3be2b94597e7 SHA-1: afaf1424f1e9dd0b5b92e8a54b513895f31e283c SHA-256: 99eafc9c7e4e70cadbc943add791091ecf911e1cea9a5ecb844f27d869ae2646
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=bmw+225xe+iperformance+2019'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, including one to 'https://cdn.shopify.com/s/files/1/0429/1395/6007/files/technical_analysis_for_the_financial_markets_by_john_murphy.pdf'. The document body is heavily obfuscated but contains the same redirector URL. The primary attack pattern involves luring users to malicious infrastructure.

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=bmw+225xe+iperformance+2019 In PDF document text
    • http://files.katherinefusco.com/uploads/1/3/1/4/131408930/sanobaxelof.pdfIn PDF document text
    • http://files.kennyharris.net/uploads/1/3/1/3/131380627/migugedivegir.pdfIn PDF document text
    • http://files.misstharrisclass.com/uploads/1/3/0/7/130739713/vawireke_kopowa.pdfIn PDF document text
    • http://pumiwawe.flindersroom4u.com/uploads/1/3/1/3/131398367/cd425be2.pdfIn PDF document text
    • http://gosime.magsaysaywecare.com/uploads/1/3/1/4/131407588/bupogilu-vuwulo-jubiwiselob.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/1/0429/1395/6007/files/technical_analysis_for_the_financial_markets_by_john_murphy.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5856/1173/files/zizikafobazodozomikowup.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4013/6601/files/ms_market_bulletin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0498/4474/files/japepol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/29942388251.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3974/2359/files/namipewukare.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1569/1678/files/4725004747.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9408/8611/files/schneider_mccb_catalogue_2020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0452/8862/0194/files/virelozaruzixomamepu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3993/2067/files/75715979873.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 7

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_off00006caf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6CAF 5764 bytes
SHA-256: 26eaebfcaec4200e1fc0cf42c3d6026fcb00dd2d26c233129d7b6ca95d6085d7
font_01_sfnt_off00008059.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8059 10248 bytes
SHA-256: 0a1f546e1b127a24576245c85081c6034a87bc7148fa8eea188552f4f788ad31

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