Malicious PDF — malware analysis report

Static analysis result for SHA-256 320271a28f7c0020…

MALICIOUS

PDF

42.1 KB Created: 2020-08-07 19:58:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5de7bf71cd1a734b53af58b14c44ec31 SHA-1: cfb0785c02ce26bd99973ff2057a886df68e7bfe SHA-256: 320271a28f7c00205eec887ddce7a786b0dbf03ec4def0636283cc50327b8356
194 Risk Score

Malware Insights

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

The PDF contains a link farm designed to appear as legitimate document downloads, but the primary link redirects to malicious infrastructure. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK indicates that the link at https://ttraff.com/pify?keyword=advantages+and+disadvantages+of+free+trade+agreements+pdf is part of a known malicious redirector chain. The document body itself is heavily obfuscated and contains remnants of the redirector URL, suggesting a social engineering lure to trick users into visiting potentially harmful sites.

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=advantages+and+disadvantages+of+free+trade+agreements+pdf In PDF document text
    • http://files.rykersonforkittery.org/uploads/1/3/0/7/130739742/fokapofeje.pdfIn PDF document text
    • http://files.blueribbonhb.com/uploads/1/3/2/7/132712116/105df5.pdfIn PDF document text
    • http://files.cydwoq-ny.com/uploads/1/3/1/4/131438211/pexusepawoboli-lojalolewo-menozada.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/1/0431/7013/6230/files/93516644838.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/9902/7611/files/ielts_academic_reading_practice_test_with_answers_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9868/6119/files/69197629941.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6229/5714/files/gijuruxopifegusiribebe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3340/3285/files/2876682366.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1756/0473/files/mass_effect_1_cheat.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0118/3397/files/real_book_5th_edition_c.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/6771/5234/files/amines_ncert.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/41230052817.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4038/2882/files/20575212345.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3694/2234/files/pixobowiz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6518/0314/files/wakemijokakufonixisisatu.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
🗂 Part of campaign: rykersonforkittery.org 6 samples

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_off000065dc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65DC 5376 bytes
SHA-256: afd2412227a266123ade390827040d02f65a7dd48e219b8a190391ade9b9c340
font_01_sfnt_off0000781c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x781C 10312 bytes
SHA-256: fcc8d2f3c51c7d09b261b0ac8e905a1c18e9122d1b07c2b06d8ae3d7941bfba1

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