Malicious PDF — malware analysis report

Static analysis result for SHA-256 459cd2f3554424a6…

MALICIOUS

PDF

119.9 KB Created: 2020-08-22 11:15:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 04cc6f5ffe080ad1b2c93cc0b811203c SHA-1: 19d0001ba322a8779530c4be6a3b7dff820c2470 SHA-256: 459cd2f3554424a68c2a605512d9559f5791740528997b7991189913e96c85b5
194 Risk Score

Malware Insights

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

The PDF contains multiple heuristics indicating malicious intent, including a critical finding of a redirector link to 'ttraff.com'. The document body, though heavily obfuscated, contains the same URL. The presence of a link farm suggests an attempt to manipulate search engine results or distribute content broadly. The ML classifier strongly supports the malicious verdict.

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=blattform+von+ahorn In PDF document text
    • http://bisisaba.connemaragolflinks.com/uploads/1/3/0/8/130813364/peboxikega.pdfIn PDF document text
    • http://files.wfhsbigred.com/uploads/1/3/0/8/130814085/f90f7589ce77f.pdfIn PDF document text
    • http://files.delightingingodsword.com/uploads/1/3/1/0/131071117/gavok_vifiguxi_nodatapufeniza.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/1/0433/7955/6504/files/infanteria_alemana_en_la_segunda_guerra_mundial.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5619/1893/files/touhou_flowering_night_piano_sheet_music.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5255/4657/files/20635420859.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4295/5676/files/kika_emoji_keyboard_premium_apk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6370/4729/files/77373924048.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8488/1827/files/tokusazorusapinager.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4216/1319/files/warlock_destro_leveling_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4448/7836/files/22502117023.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6585/1560/files/beautiful_quotes_in_tamil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2790/7239/files/53436195199.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3383/7219/files/autosar_training.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 5

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_off000189d8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x189D8 4936 bytes
SHA-256: 1eab93b6b8d1e87e5021a245ca697dff59dc6c41139be7875279cc41a317cac2
font_01_sfnt_off00019a7b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x19A7B 18324 bytes
SHA-256: fd2a0f511f95e4a5451189b958523be047ac61e789a15388600396ad1899933f

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