Malicious PDF — malware analysis report

Static analysis result for SHA-256 56cf4616bf4bf78e…

MALICIOUS

PDF

39.8 KB Created: 2020-08-17 01:23:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 83c669cb7cb7582bd2b60621bcc58dfc SHA-1: fc72e0643bc5c7a68193764bde69be82e9065b76 SHA-256: 56cf4616bf4bf78e650b77cf97b0d4b81452818fc63cac9ba021ffc0ad51efa5
194 Risk Score

Malware Insights

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

The PDF document contains a link farm designed to appear as legitimate content, but the primary link redirects to a malicious URL. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK indicates that the link https://ttraff.com/pify?keyword=program+hack+game+android+no+root is part of a known malicious redirector infrastructure. The document body, though heavily obfuscated, contains this URL and other links, suggesting a social engineering attempt to trick users into visiting the malicious site.

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=program+hack+game+android+no+root In PDF document text
    • http://files.commonclimber.com/uploads/1/3/0/7/130740530/gejafupanabifo_worisa_nutal.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/1/0450/5842/4995/files/universal_studios_florida_map_2020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7135/4533/files/dell_latitude_5300_pdf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0091/2282/files/wexelolexe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9476/8802/files/20362267133.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7396/1126/files/27832769319.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9558/8002/files/rainy_day_janel_parrish_piano_sheet_music.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3764/6245/files/68484449178.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6727/7469/files/54302819129.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1097/2056/files/dozomikabopinosuzusipu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5077/0333/files/bilikisafup.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2909/3784/files/tadetadapisalajeboxotux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8778/2297/files/fulupedovobikado.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 1

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_off00005ee8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5EE8 5208 bytes
SHA-256: d43d41ad818c59c851752d71065ba4ebbfa51dbff80b3af2aba8bd5663430cd2
font_01_sfnt_off00007071.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7071 10060 bytes
SHA-256: 1f8a9bd40481267d5c98346c83189400e1ec213c0f9fa6928f0ac588844791f9

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