Malicious PDF — malware analysis report

Static analysis result for SHA-256 377054062abb16d4…

MALICIOUS

PDF

42.2 KB Created: 2020-08-13 00:03:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 591785750ab57637adc4f830532896b2 SHA-1: b1fbdf38f8121264c7d5564e46990acdc0ca4cb8 SHA-256: 377054062abb16d420c633c41c4b886a64465e0b1ee6c9bd91642ed8f92b9c9a
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 Malicious Link T1059.001 PowerShell

The PDF contains a link farm designed to appear as legitimate documents, such as a material safety data sheet for diesel. The primary malicious link, https://ttraff.cc/pify?keyword=material+safety+data+sheet+for+diesel+pdf, redirects to known malicious infrastructure. The document body is heavily obfuscated and contains embedded URLs that likely serve as part of the redirection chain or host further malicious content.

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=material+safety+data+sheet+for+diesel+pdf In PDF document text
    • http://files.modeesthetics.com/uploads/1/3/0/9/130969825/mabojemewelimok_jevevanuroz_kirojati_podive.pdfIn PDF document text
    • http://kowivak.firstmatemarine.com/uploads/1/3/0/8/130814328/zawoxegabur.pdfIn PDF document text
    • http://files.ntpfx.com/uploads/1/3/2/7/132740339/vizixebexowemow.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/1/0433/0127/3758/files/wepiselozixadov.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6980/8548/files/cbse_class_12_physics_question_paper_2020_solved_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7634/6266/files/87764583215.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8642/9861/files/57246385100.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6987/5111/files/79054929962.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9078/9020/files/legak.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1482/2808/files/the_cleveland_show_torrents.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1382/3909/files/encuesta_calidad_de_vida.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6232/1567/files/cambridge_latin_course_book_3_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8148/2919/files/gimp_user_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6302/4547/files/84743433592.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_off00005ab6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5AB6 5236 bytes
SHA-256: 5047abd7f15beffdeee4fdc721c51adb675fb10313a6ec33e7293b10aa55ba87
font_01_sfnt_off00006c87.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C87 14948 bytes
SHA-256: dfabb416027b39698e7aded26630cc064e965fc7c3b66140ff9934ac0103f5ba

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