Malicious PDF — malware analysis report

Static analysis result for SHA-256 f6e58e8673c1b1ea…

MALICIOUS

PDF

39.2 KB Created: 2020-07-31 14:26:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c49a8ac8fbcee51d047886d3bbdaf733 SHA-1: 9ac78062a09a1b723d00db0ef9c7f2132e635540 SHA-256: f6e58e8673c1b1ead933fc25df85098978e8ef7a4085260d315ae36c6a33bd0e
194 Risk Score

Malware Insights

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

The PDF contains multiple links to redirector domains, specifically identified as a malicious redirector and an SEO link farm. The document body, though heavily obfuscated, suggests a lure related to 'Johnny Appleseed coloring page pdf'. The primary malicious URL identified is ttraff.ru, which is used to redirect users to other potentially malicious or phishing sites. No scripts were extracted, but the presence of numerous malicious links indicates an attempt to drive traffic to attacker-controlled infrastructure.

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.ru/pify?keyword=johnny+appleseed+coloring+page+pdf In PDF document text
    • http://files.memphismummies.com/uploads/1/3/0/9/130968960/jagivudofe_kadetutenatu.pdfIn PDF document text
    • http://files.ypla.org/uploads/1/3/1/0/131070508/vipalalesenax.pdfIn PDF document text
    • http://files.bluebirdtweetsstudio.com/uploads/1/3/1/3/131379343/e0f3e471.pdfIn PDF document text
    • http://files.fspawsandclaws.org/uploads/1/3/1/8/131871938/5187809.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/1/0435/2668/4824/files/vitewuvugaris.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9074/8316/files/60386361174.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6219/8425/files/lafoba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9318/1087/files/ganisiwaxel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/1247/0422/files/63024565801.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zorosibal.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4647/8759/files/5162535770.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/78108387577.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3701/5719/files/15872331419.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7981/8661/files/86607710164.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0381/3781/files/xuresovonilazilu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1218/4474/files/3896631308.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4216/9244/files/wopipuxonevizegisa.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 2

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_off00005a0f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5A0F 5216 bytes
SHA-256: 082529c2c7fbc5b2941f8b4556bd54a16ab19be5121c5386e9982976dd0642d2
font_01_sfnt_off00006bbf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6BBF 9940 bytes
SHA-256: c8c349a7ae28dd531964e5b42cc5367a8a33901f82cc96b243fdc86d30b876c2

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