Malicious PDF — malware analysis report

Static analysis result for SHA-256 2366128614028dd6…

MALICIOUS

PDF

43.4 KB Created: 2020-08-06 17:04:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a8e30585b55725f1685c17deb9f9f13c SHA-1: b83aca54c2a727970054b1d0451e16ae8a6fc85d SHA-256: 2366128614028dd6349992d9e470d5bd8cb7bb412ab5de71d2935c65d12f30fd
214 Risk Score

Malware Insights

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

This PDF document contains embedded JavaScript and a critical malicious redirector link pointing to 'https://ttraff.cc/pify?keyword=saree+blouse+cutting+and+stitching+books+pdf'. The document body, though partially corrupted, also contains this URL, suggesting it's the primary lure. The presence of numerous other PDF links, many hosted on Shopify, indicates a link farm strategy to obscure the malicious destination. The ML classifier also strongly flagged this sample as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
    A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
  • 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=saree+blouse+cutting+and+stitching+books+pdf In PDF document text
    • http://files.father-son-holy-spirit.com/uploads/1/3/1/6/131606901/af9ae0de619cc7.pdfIn PDF document text
    • http://files.rosiefowler.com/uploads/1/3/1/6/131607029/6f9563bf18c6.pdfIn PDF document text
    • http://files.honor-cafe.com/uploads/1/3/2/6/132695278/8789694.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/1/0435/4444/5092/files/8131997781.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2440/8988/files/buvikamu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7490/2423/files/calculus_early_transcendentals_4th_edition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9429/5203/files/2018_subaru_outback_owner_s_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7573/9560/files/72003684551.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/7880/9755/files/79423394791.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9513/7181/files/office_365_mac.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3383/7219/files/12534593716.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5516/9186/files/dakowugakovodata.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/1036/5339/files/navy_nonresident_training_course.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/0083/7782/files/kezagusas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7373/9675/files/zugokor.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_off00006987.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6987 5724 bytes
SHA-256: 1febeab8ee6f6e59fd6b79d31c90b06a8109937d33c676643dee7ebf9ca8965d
font_01_sfnt_off00007cf2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7CF2 10468 bytes
SHA-256: 159d26f7698c6ec5036a3e05849b42268957ce59bdad358ff3ac271d7eddda25