Malicious PDF — malware analysis report

Static analysis result for SHA-256 bf0aa6aef8cc326a…

MALICIOUS

PDF

50.5 KB Created: 2020-08-05 13:04:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 04f6964f604b6470deaf73f4325fb0db SHA-1: d3e3ad2be08049e30b850551b59b48903bafd18e SHA-256: bf0aa6aef8cc326a75075d98019da2570420d20d7b5e8cdc07381173343b59eb
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=kabbalah+magic+in+urdu+pdf'. The document body, though heavily obfuscated, contains this same URL, suggesting it's the primary lure. The PDF also exhibits characteristics of a link farm, with numerous external links, many hosted on Shopify. The ML classifier strongly indicates maliciousness.

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=kabbalah+magic+in+urdu+pdf In PDF document text
    • http://fevuz.choro-choro.com/uploads/1/3/1/3/131383791/1282933.pdfIn PDF document text
    • http://files.thehigginsreport.com/uploads/1/3/0/7/130738712/rapozoxetuju_savoxad_zopino_gezob.pdfIn PDF document text
    • http://files.cetlgroup.org/uploads/1/3/0/7/130739510/5dc429931.pdfIn PDF document text
    • http://files.designsbydebllc.com/uploads/1/3/1/3/131380308/3202943.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/1/0430/3791/7345/files/36054783142.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/97897646990.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7082/5382/files/chamakam_tamil_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0574/7095/files/two_faces_of_my_girlfriend.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/3857/6533/files/indent_on_google_sheets.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8973/1479/files/85265375406.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7442/8827/files/posufabosufolibolisalozup.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4186/6403/files/32516646433.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5298/9605/files/gukumikokowajuvepos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/16175378270.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2768/4760/files/bejajenoromi.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_off00007fe2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7FE2 5500 bytes
SHA-256: 95e28a0e3fcbf0fb14e8f5f66039b823d19cb2b4c7d3d3230f1607dc662661b8
font_01_sfnt_off0000926d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x926D 13492 bytes
SHA-256: 883ad0c41d170a56fe405181b9bef106ff9c78d6a6b5e9b2b225943c2cd16ba2

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