Malicious PDF — malware analysis report

Static analysis result for SHA-256 de0b25076c2dc274…

MALICIOUS

PDF

38.5 KB Created: 2020-08-12 02:58:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ae47e14eae354a33ebebf209b73ac0aa SHA-1: 2ccd9483c662c92ad0cecde419a1e4820539c3cb SHA-256: de0b25076c2dc274edd0b49ce42c639ea43dd02f35b23f106b563725f8ef1cad
194 Risk Score

Malware Insights

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

The PDF contains a significant number of embedded links, identified as a PDF link farm. One of these links, 'https://ttraff.com/pify?keyword=outwitting+tomorrow+valiant+thor+pdf', is flagged as a malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains URLs that are part of this link farm, suggesting a coordinated effort to lure users to malicious content.

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=outwitting+tomorrow+valiant+thor+pdf In PDF document text
    • http://files.laurendobee.com/uploads/1/3/2/6/132695416/sogawaxufosado-xifuxax-latudaru.pdfIn PDF document text
    • http://xanajar.dulana57.com/uploads/1/3/1/0/131070571/f743f682.pdfIn PDF document text
    • http://bomoba.sorrentoreview.com/uploads/1/3/1/8/131856158/fujubopowimuxot-dorudabadase-ginurusake.pdfIn PDF document text
    • http://files.emilycaffery.com/uploads/1/3/1/4/131405948/fcf4925a2c32.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/1/0429/7906/6009/files/17464237678.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4854/3142/files/14839972578.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8575/8618/files/71747443439.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0416/5285/files/html_color_codes_list_free_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xoxolesusoziviro.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7727/9652/files/40649605330.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6497/5765/files/keninar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0446/9604/3674/files/beyond_good_and_evil_free_ebook.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/7355/1001/files/57683721288.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3349/3658/files/1964291830.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7284/0090/files/ain_t_no_sunshine_lyrics_and_chords.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_off00005652.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5652 5456 bytes
SHA-256: 15f128b501d9294b206bc103cf840a9606d5e65afbd59ac8b159f0f950a33dd4
font_01_sfnt_off000068cd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x68CD 10652 bytes
SHA-256: c31c1b4a8b7c3a4d10fd99fa1b909bc9fb3dff45b8eff8b7e2c17d83daf3bff7

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