Malicious PDF — malware analysis report

Static analysis result for SHA-256 b93fbbd8059b1e2a…

MALICIOUS

PDF

33.3 KB Created: 2020-08-05 03:12:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 011edad77d9f6305a772a443e1a9853a SHA-1: 93ad680bc4068b93667284adb042489e55fa2bc8 SHA-256: b93fbbd8059b1e2a5238ef02daa39ffa516b02aacd172920212d3c4015930b97
194 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with the primary malicious URL being a redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/wb?keyword=louise%20l%20hay%20sana%20tu%20cuerpo%20pdf%20gratis', which is flagged as malicious. This suggests the document is designed to redirect users to malicious content, likely for phishing or malware distribution.

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/wb?keyword=louise%20l%20hay%20sana%20tu%20cuerpo%20pdf%20gratis In PDF document text
    • http://files.michaelbrownslawoffice.com/uploads/1/3/1/4/131406762/xajixolaxexojobegu.pdfIn PDF document text
    • http://files.momnovel.com/uploads/1/3/1/4/131482958/3656597.pdfIn PDF document text
    • http://files.tritongymwear.com/uploads/1/3/1/3/131379540/facc406.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/1/0428/9521/2697/files/42996354768.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4760/0796/files/12860618107.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9805/4558/files/53259770450.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0976/7584/files/pojazajijilijabodo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/37237973095.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2439/2087/files/absolutely_on_music.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/4962/1406/files/adhesion_testing_methods.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1871/5289/files/pabalefamavifun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nudukesobiji.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9005/9157/files/python_dbf_to_csv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5696/2465/files/classical_guitar_lessons.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9199/2484/files/35971819068.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_off00004280.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4280 5460 bytes
SHA-256: c756b2ff33b238fbfe676bd04355eb29b3ba7d4324a0ed86fb9a706eee7dd6f4
font_01_sfnt_off0000551c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x551C 10220 bytes
SHA-256: c96c13f3fd53f41ee8edfd2228baed592cb26ea48028b7414f554a2e357dda18

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