Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc001b3d0a099d94…

MALICIOUS

PDF

55.2 KB Created: 2020-08-11 21:50:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ff1e70a8bddccad2d9b7cc0dcf9978c3 SHA-1: 15783fe082118d879ee08a44eb07291ad80a6651 SHA-256: cc001b3d0a099d94142b7cf2e174ab335c1d193de94c45010da9cc142b397f1b
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, specifically pointing to 'https://ttraff.cc/pify?keyword=gaspard+de+la+nuit+piano+pdf'. This indicates the document's primary purpose is to redirect the user to malicious infrastructure. The presence of numerous other PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to increase visibility. No scripts were extracted, but the document body contains obfuscated text and the malicious URL, reinforcing the redirection attack pattern.

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=gaspard+de+la+nuit+piano+pdf In PDF document text
    • http://mikik.eunoiatherapy.com/uploads/1/3/0/7/130738799/7dc94c7e93c.pdfIn PDF document text
    • http://files.deliveranceforchristians.com/uploads/1/3/2/8/132814935/xovimifedozuj.pdfIn PDF document text
    • http://tabero.zhishuaizhang.com/uploads/1/3/1/6/131606289/bowilasugu.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/1/0436/4691/0624/files/87981356796.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1312/8863/files/najakododivexugubijunuza.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5381/6728/files/7685521875.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7218/3703/files/36880595174.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6112/5015/files/61776080047.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/volobufepafolosovi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1926/3397/files/20023227278.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2465/3224/files/13242439909.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1334/0312/files/nejokupepe.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000080e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x80E4 5064 bytes
SHA-256: 032f349733a5826042a7377fc084dbb00709c71d5e864838ff34661ae9243eda
font_01_sfnt_off00009236.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9236 12228 bytes
SHA-256: d15e4906000cc81f22968ac34d880a13fa7f7936bddd6eda5d4272a67ab1cf3a
font_02_sfnt_off0000b8f6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB8F6 16120 bytes
SHA-256: 15a68420f1c377824b8c1fd571ac7c30556db1b4bc05006bf44ec3f6c6c83208