Malicious PDF — malware analysis report

Static analysis result for SHA-256 8fa565b92dca8568…

MALICIOUS

PDF

43.8 KB Created: 2020-08-25 09:43:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5757732d6a8831d84229c5097a096cd3 SHA-1: bfa2b444f4750e21dc5e354b4ec7d2490e39a060 SHA-256: 8fa565b92dca8568913484102cfed649df7e4bfa06baae2a1a7fbd61932289fa
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Phishing: Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, with the primary redirector URL being https://ttraff.com/pify?keyword=pokemon+battle+tree+guide. This indicates a link farm or SEO poisoning attack, designed to either boost search rankings or redirect users to malicious content. The document body itself is heavily obfuscated but contains references to the redirector and other PDF links.

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=pokemon+battle+tree+guide In PDF document text
    • http://files.harleyeaston.com/uploads/1/3/1/3/131398142/xujilefewar-dewizok.pdfIn PDF document text
    • http://files.innerviewultrasound.com/uploads/1/3/2/7/132740378/xufaxerusejulosedap.pdfIn PDF document text
    • http://files.gemsandjewelsfashion.com/uploads/1/3/1/4/131453268/zasaguxuwi-nuvexubukalud.pdfIn PDF document text
    • http://zedabeper.drugfreeharrisoncountywv.org/uploads/1/3/1/6/131636789/lilejafivimanirej.pdfIn PDF document text
    • http://files.daphnefatterphd.com/uploads/1/3/2/6/132696267/tesazarorab_vabixilawen.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/1/0438/9208/0792/files/dimaritisigewazanivemo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8890/3325/files/94385708774.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9434/3829/files/75839502351.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0451/6475/7146/files/cambridge_english_young_learners_1_practice_tests.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6500/7509/files/6769218851.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3835/1255/files/zorebip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1909/2647/files/arms_and_the_man_bernard_shaw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/12584167006.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3092/1895/files/zipage.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6768/6558/files/pdf_to_word_converter_download_free_software.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000061e0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61E0 3552 bytes
SHA-256: f05f1508e20246960408966cc10f730b010d83f3f20a3780ab142e2cbd872ef0
font_01_sfnt_off00006e81.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E81 5172 bytes
SHA-256: c51b9df969a98bbb71e4178c8a06bd9a7182e2e3bc3283b11273b6a0646ae6d4
font_02_sfnt_off00007ffd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7FFD 9992 bytes
SHA-256: 0dcb07a92ac01521f7abb4d63949196bfff18aee9d01a95c6b1129db25f49037

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