Malicious PDF — malware analysis report

Static analysis result for SHA-256 6b5e1e34945b0cbe…

MALICIOUS

PDF

41.7 KB Created: 2020-08-11 15:22:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c74a7bd9fab661c15bc01a6ffe3166bd SHA-1: 01231eb46889ff9b3a0c377bea80872186abb1c2 SHA-256: 6b5e1e34945b0cbedf7a0a038aac1919552e86c0aa39183027a6ab4590a8a2a9
194 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=logistica+y+cadena+de+suministro+pdf+libro', which is also flagged as a high-risk SEO redirector. This suggests a phishing or malware distribution attempt disguised as a legitimate document download.

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=logistica+y+cadena+de+suministro+pdf+libro In PDF document text
    • http://files.swinglecountertops.com/uploads/1/3/1/4/131437249/8661019.pdfIn PDF document text
    • http://files.liliecocloth.com/uploads/1/3/0/7/130776257/5750608.pdfIn PDF document text
    • http://files.victoriasongweisoprano.com/uploads/1/3/0/9/130969652/e284c30d.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/1/0435/9602/1919/files/pilevixetazop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1512/7708/files/32600198463.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6248/5407/files/9515980575.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/0204/0217/files/cidco_lottery_result_taloja.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8052/3681/files/deduruwutup.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0118/3384/files/gajuvaxudipizireluniruvi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6649/1041/files/basic_electronics_engineering_by_u._a._bakshi_a._p._godse.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1434/8197/files/26268714285.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3776/9383/files/60499292523.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7731/2411/files/kaderimubif.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5090/1402/files/98623797829.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 3

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_off00005f5f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F5F 5660 bytes
SHA-256: 6778ab8040418a9ebf0a0aafee0dbc563903d09a518516ba01df2247defa5a88
font_01_sfnt_off00007295.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7295 11448 bytes
SHA-256: 91b6cf762e10c0b1f1468237a8d88d575a09e0339ca1c5c7ce42c7d85d6a4801

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