Malicious PDF — malware analysis report

Static analysis result for SHA-256 ff2480cc1475a15e…

MALICIOUS

PDF

35.7 KB Created: 2020-08-19 05:40:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 86dd91252eb54e3a450241c0b30e4ce9 SHA-1: d4e2276759eeac3731c55e1a844935b552ffa8ca SHA-256: ff2480cc1475a15e52b56992afa5f88b21d0e136939e74987996667e418a11b8
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to a movie title and the redirector URL, suggesting a lure to trick users into clicking the malicious link. The presence of a link farm heuristic further indicates an attempt to manipulate search engine results or distribute content via numerous links. No scripts were extracted from this sample.

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=grace+unplugged+movie++free In PDF document text
    • http://kiwuvelek.purposealigned.com/uploads/1/3/1/6/131637814/cd33bca11ae.pdfIn PDF document text
    • http://files.creativeclayforall.co.uk/uploads/1/3/1/3/131382330/nevuvi.pdfIn PDF document text
    • http://nepasumu.leeabberton.com/uploads/1/3/1/8/131858685/duxudefodadakigutiv.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/1/0444/4468/0359/files/7434777846.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7831/1326/files/adjectives_in_english_and_spanish.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8333/2773/files/adobe_premiere_pro_cc_tutorial_indonesia.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3831/7464/files/84439219030.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/76102764406.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0425/4615/files/7365645339.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9301/7247/files/iseki_tractor_parts.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/45366335679.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/13977390730.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6099/9845/files/mi_burrito_sabanero_sheet_music.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/4518/0824/files/88884095431.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6251/8182/files/32595983266.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1431/5422/files/jumifetewepu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7628/7648/files/49874479159.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 4

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_off00004ce1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4CE1 5388 bytes
SHA-256: dc93c3d0e33553ba0567ac8a3977fb4c0716f1eb7625776e71e36a6da6a43bb5
font_01_sfnt_off00005f2b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F2B 10260 bytes
SHA-256: 6dc8c22a9324de7cd1deb7268b2fcd4f34d7da25db961836a9d3fbe4183df813

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