Malicious PDF — malware analysis report

Static analysis result for SHA-256 86bd3a9b6c3c47db…

MALICIOUS

PDF

39.8 KB Created: 2020-08-22 12:08:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a2f6f8277e7c9364170e77fc49a1aed5 SHA-1: f7630282e5fcb58f8db36a9052ac8b81b817501b SHA-256: 86bd3a9b6c3c47dbc09b95f9b84faa951a5d7593d00a61dfb8e47c59d78a55d0
194 Risk Score

Malware Insights

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

The PDF contains numerous links, many pointing to a redirector service, suggesting a link farm or phishing lure. The document body and heuristics indicate the primary goal is to redirect the user to the URL 'https://ttraff.com/pify?keyword=rejoice+in+the+lamb+sheet+music+pdf', likely for a phishing or malware distribution campaign. The ML classifier strongly supports the malicious nature of this PDF.

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=rejoice+in+the+lamb+sheet+music+pdf In PDF document text
    • http://files.robbielairdartstudio.com/uploads/1/3/2/7/132712233/96071c.pdfIn PDF document text
    • http://files.judith-wiley.ca/uploads/1/3/1/3/131398164/desiviz.pdfIn PDF document text
    • http://files.amandaesorensen.com/uploads/1/3/2/6/132681836/fb40316fd6755.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/1/0431/4903/3640/files/zowumoviganu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2092/7644/files/mawosatezawazi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4603/4853/files/9193459512.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/3010/7544/files/difijanutasusaxijud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1714/1415/files/dikirokifosigidixugokas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7543/6698/files/60507431438.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1617/4237/files/12832224239.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3773/6603/files/cisco_2960_xr_datasheet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2687/3509/files/wireless_router_configuration.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1817/4107/files/93172819421.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3124/8542/files/sat_subject_test_biology_practice_test.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_off00005de5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5DE5 5520 bytes
SHA-256: c8f6df03716c6401d1aa6d452ca9db94c38eec3e7d18b909d0f1536559cb2f71
font_01_sfnt_off0000707f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x707F 9968 bytes
SHA-256: cc16dc0769b834c6895f4c1605ad65457ce22e1464f605d4ca392300af1b11cd

Open this report in the interactive analyzer, or submit your own file for analysis.