Malicious PDF — malware analysis report

Static analysis result for SHA-256 2de56846c8a14213…

MALICIOUS

PDF

44.9 KB Created: 2020-08-01 21:34:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f2e72e87b44ae4d0c77913b3f1a19faf SHA-1: 3d64ec2dcba34053392389216cfca4237b7ff301 SHA-256: 2de56846c8a142133225ac2b8ad4aa005721316e50e456745d50168870378697
194 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a primary link pointing to a known malicious redirector. The heuristic 'SE_ADVANCE_FEE_SCAM_LURE' indicates the document's content is designed to trick users into believing they will receive a prize or benefit, requiring further action like clicking a link. The presence of many external PDF links, including the malicious redirector, suggests a link farm or redirection tactic to obscure the final malicious destination.

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=abcs+of+real+estate+investing+pdf In PDF document text
    • http://files.yogabudding.com/uploads/1/3/1/4/131437736/kafosup.pdfIn PDF document text
    • http://files.westhartselle.com/uploads/1/3/1/4/131482952/suwotigedolakadomoku.pdfIn PDF document text
    • http://files.biomarkerconsult.com/uploads/1/3/1/1/131164567/fobubegobaxedenaki.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/1/0432/8125/2512/files/37538543073.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3798/2869/files/94618146349.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/9799/4904/files/69279409266.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5207/1074/files/59329093027.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/76222514852.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5207/2086/files/tivofenabagukiw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9603/8812/files/11557852748.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4782/8133/files/ing_direct_ca.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7061/0851/files/wigavufefetumugowiritapit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1609/3849/files/vagibixiroxulax.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 6

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_off00007054.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7054 5512 bytes
SHA-256: bf3da529c583334efea3da2e8df44fe0cae78dca41c19c4ceb0c166486f1794a
font_01_sfnt_off00008329.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8329 10420 bytes
SHA-256: 599022b53228a128b1c88561f14b2895859fc1bdcfda9ffb05e8fb42e8b1ac81

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