Malicious PDF — malware analysis report

Static analysis result for SHA-256 baa0c06df13d204a…

MALICIOUS

PDF

33.5 KB Created: 2020-08-01 08:18:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 48de87dd3dd4a0080110ec194a02e6e7 SHA-1: 9c5e4af57c61b211217b76586197a101e5519e67 SHA-256: baa0c06df13d204a370191cef929196d4cd12228c52ce8c8a3b38fd82c8cd0ae
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'Haynes small engine repair manual pdf' and the malicious URL, suggesting a lure to trick users into clicking the malicious link. The primary attack pattern involves a link farm designed to redirect 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.cc/pify?keyword=haynes+small+engine+repair+manual+pdf In PDF document text
    • http://files.in2ithealth.info/uploads/1/3/0/9/130969535/1792a4748dfdf.pdfIn PDF document text
    • http://files.diocesanchurchdevelopment.org/uploads/1/3/1/6/131606360/fagafumob-xuxumibiwodare-dizofet.pdfIn PDF document text
    • http://files.southernstylestudioandmore.com/uploads/1/3/0/7/130738914/9277655.pdfIn PDF document text
    • http://files.the-mad-scientist.net/uploads/1/3/1/4/131453823/5246597.pdfIn PDF document text
    • http://files.mtnexperiences.co.uk/uploads/1/3/1/3/131381540/6633119.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/1/0430/7612/4821/files/vorovojojevimi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2875/0241/files/81378437656.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1244/7652/files/61117145067.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1347/1384/files/gowonojavaki.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/9008/1960/files/64230723559.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1047/4663/files/24483418791.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8148/2919/files/zunerovi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7175/0823/files/71672517254.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/5037/5070/files/doxopevetujo.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_off00004508.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4508 5424 bytes
SHA-256: af0e58ca5c25691c0467cc741680896ba297e4c9fb27f2ca9180681641e8d9db
font_01_sfnt_off0000576a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x576A 9992 bytes
SHA-256: e13e1639f2c2534f64fd2c48b19d631808cf2d97087d4a2254b715e29ec1f97a

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