Malicious PDF — malware analysis report

Static analysis result for SHA-256 7da32061235da3bc…

MALICIOUS

PDF

54.8 KB Created: 2020-07-31 11:52:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 00105a229fefe38d998bcdb7dfbc8a65 SHA-1: 8fb24a7ecb0528482cbd425a22d6ea87532ebf75 SHA-256: 7da32061235da3bca1559c6e84638e1f6762fea2ef73ba0c90c8841c5016fae6
194 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, many of which point to a redirector service (ttraff.cc) that is flagged as malicious. The document body, though heavily obfuscated, suggests a lure related to 'sermon outlines'. The presence of a large number of external PDF links, including those with numeric slugs, indicates a potential SEO link farm used to distribute malicious content or phish for credentials.

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.cc/pify?keyword=bosquejos+de+sermones+textuales+cristianos+pdf In PDF document text
    • http://files.faithfitnesskzoo.com/uploads/1/3/1/1/131164358/12ab3fdda.pdfIn PDF document text
    • http://files.is68jamaica.org/uploads/1/3/1/4/131438419/naxovujujiwemule.pdfIn PDF document text
    • http://files.atatournament.com/uploads/1/3/2/6/132682833/a8a7169b81.pdfIn PDF document text
    • http://files.laughingbuddharetreats.com/uploads/1/3/0/7/130739269/kosoxefixosakujelox.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/1/0436/3078/8758/files/xopelivasudugobogezig.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6065/8330/files/mabukorupulimizolu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6240/2967/files/20151520776.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1266/9089/files/kabiwuzaxejekuvazeg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kupenase.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1189/9551/files/zetisebilixowofud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2191/0687/files/wodewukakekexak.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5479/1846/files/79829956000.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/0898/9096/files/sijux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4949/1359/files/gumejukopuramosovuga.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6623/7852/files/84852789522.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8037/5708/files/83231281410.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9762/9596/files/92112531282.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00009469.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9469 5500 bytes
SHA-256: 90ab5af60d45e4a10e85fb2badba0caf25139cd53188eecdf41e6be17a29aee8
font_01_sfnt_off0000a708.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA708 11464 bytes
SHA-256: 0ada3eb6d2af7d9da976ef72039dee255634794794ee739b9786bc3dd712c46c

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