Malicious PDF — malware analysis report

Static analysis result for SHA-256 84f507d1e212ecec…

MALICIOUS

PDF

42.1 KB Created: 2020-08-28 08:00:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5afd6d65fe8c17eb963e7c16d162fb32 SHA-1: 3e8b72abf25d81c3d04b458b88efbea003e90050 SHA-256: 84f507d1e212ececf1535caa9b71247c21b8f92a3611aa0b43d01aadc677d646
194 Risk Score

Malware Insights

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

The PDF document contains numerous links designed to appear as legitimate downloads, but they redirect to malicious infrastructure. The primary redirector URL is https://ttraff.cc/pify?keyword=the+tangled+web+a+guide+to+securing+modern+web+applications+1st+edition+pdf, which is flagged as malicious. This indicates a phishing or scam attempt to lure users to potentially harmful content. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.

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=the+tangled+web+a+guide+to+securing+modern+web+applications+1st+edition+pdf In PDF document text
    • http://files.onebigtreedesigns.com/uploads/1/3/1/8/131856100/fuzazijepi.pdfIn PDF document text
    • http://natijuve.allterrainridersatvclub.com/uploads/1/3/2/6/132681229/7500da67015.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/1/0433/5920/7582/files/33229790990.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3805/6354/files/savomopuromunozupote.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0470/8791/1070/files/organismos_centralizados_y_descentra.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0372/3428/files/84386565593.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/0755/5222/files/8805641408.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0453/6372/4443/files/30632625476.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2953/6676/files/38318074401.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5170/3706/files/iso_to_img.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0386/1401/files/36284359307.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_off00006322.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6322 5804 bytes
SHA-256: 862b3e7fafba0064895875e9b440a130cf3a33910153a75391273315beb3ca9c
font_01_sfnt_off000076c9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76C9 10692 bytes
SHA-256: 8e90f0379ab88aa4058e101f74f9973c5a33784bf979de81267fbb63eebf6333

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