Malicious PDF — malware analysis report

Static analysis result for SHA-256 9008cfa101caef7b…

MALICIOUS

PDF

55.5 KB Created: 2020-08-08 13:28:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7f4691075f806b2426a7e9f8a8b59ec7 SHA-1: 04037507cf84678d452c9f50f9811cb74d5782dc SHA-256: 9008cfa101caef7b8bcc13ef8098b96eb2b2c48791a40cad8c6388baaedbb3f8
194 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=defensa+siciliana+pelikan+pdf'. Additionally, it exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on cdn.shopify.com, suggesting an attempt to distribute malicious content or manipulate search engine results. The document body, though heavily obfuscated, 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.ru/pify?keyword=defensa+siciliana+pelikan+pdf In PDF document text
    • http://files.aaronnovick.com/uploads/1/3/2/6/132681757/23134a2e403.pdfIn PDF document text
    • http://files.redstickwarriors.com/uploads/1/3/0/9/130969825/jofamuf_sonalajoleduvu_sazotuk_vobijebowunuver.pdfIn PDF document text
    • http://files.evaslebanesecooking.com/uploads/1/3/0/7/130738790/284a683.pdfIn PDF document text
    • http://jalalam.stowefamilywellness.com/uploads/1/3/1/4/131437987/a58846.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/1/0441/4459/1000/files/dusananejo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0222/3013/files/votevadufidezuwoboruvadek.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3057/6278/files/sally_spa_games.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7006/2754/files/kakivoxemogobo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7950/7880/files/cancer_de_pulmon_2020_peru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6917/8017/files/34047632752.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5004/8419/files/gasafovop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7285/4939/files/sears_kenmore_elite_refrigerator.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1850/0765/files/14030914680.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/35117459625.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3407/4523/files/96040190881.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8778/2297/files/vowuxafufe.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00009c3f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9C3F 5116 bytes
SHA-256: d430c4959c3cc166069cbf3470640fba7f0e22593788fbc61fb4dfeaffca2196
font_01_sfnt_off0000adca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xADCA 10316 bytes
SHA-256: 775e9c318628ed048c5baf119fd9bddf7784514acf395b98b985adb956e77362