Malicious PDF — malware analysis report

Static analysis result for SHA-256 7fb415dde5447e2d…

MALICIOUS

PDF

52.3 KB Created: 2020-08-17 06:54:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6e712a0d52a711dabe64f7b416ff899f SHA-1: 47cb8ea42bed408cc222c3d3cc095b9268e0f891 SHA-256: 7fb415dde5447e2d5d4b585a8ad8a9ead4e4b03afd4832e32668d7326fb300ac
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple heuristics indicating malicious redirector links and a link farm, pointing to a phishing or malware distribution scheme. The primary redirector URL is `https://ttraff.cc/pify?keyword=my+lord+the+baby+questions+and+answers`, which is designed to lead users to further malicious content. The document body itself is largely obfuscated but contains the same redirector URL, reinforcing the malicious intent.

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=my+lord+the+baby+questions+and+answers In PDF document text
    • http://files.bigbrobigsis-shelbydarke.org/uploads/1/3/2/3/132302710/runaneno_jivosifizidexim_kakaxakugijo.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3654/0056/files/gozebixawaxamogusixijak.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1674/1286/files/77594352404.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8203/1007/files/12788802646.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/6105/7438/files/18166086127.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0727/0312/files/savegubi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8133/4933/files/vapax.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/90841244024.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0092/2261/files/80734840104.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6693/0840/files/21314336662.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007f43.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F43 5260 bytes
SHA-256: 6258468a60cf587360bf496e765ed68099fa3885acc549775c8ae5aa8c92348b
font_01_sfnt_off0000912f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x912F 10392 bytes
SHA-256: a1c060c2e0bffee0c538114a88569db0af86d681c0b29becaf8c7770c3910edd
font_02_sfnt_off0000b4a6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB4A6 4324 bytes
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f

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