Malicious PDF — malware analysis report

Static analysis result for SHA-256 097be10cb4a5926b…

MALICIOUS

PDF

50.8 KB Created: 2020-08-12 10:19:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3309483ffc1ebd01bf2a2ab4fa2ccac1 SHA-1: 424af3b47223c711c1875bb27494027e916b1e01 SHA-256: 097be10cb4a5926b79fb5cfe6579e165d2f918a694f8f0afaf5c472e17be089e
234 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript T1204.002 Malicious Link

The PDF contains a lure related to bank account opening forms, directing users to a malicious redirector URL. The presence of numerous SEO-optimized PDF links suggests an attempt to distribute malicious content widely. The ML classifier strongly indicated maliciousness, and the overall structure points to a phishing or credential harvesting attempt.

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.
  • Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
    Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
  • 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=account+opening+form+of+sbi+pdf In PDF document text
    • http://files.ridleyea.org/uploads/1/3/0/9/130969334/3ac703fa.pdfIn PDF document text
    • http://files.aquarianlibrarian.com/uploads/1/3/1/4/131406807/e19f8cc22a300d.pdfIn PDF document text
    • http://files.somosescritores.com/uploads/1/3/0/8/130813054/metagaxinevakuk.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/1/0434/7727/0692/files/84754051152.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0222/5059/files/22933019736.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5886/4028/files/vumifizuwarulum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9234/4999/files/49716533145.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7504/2457/files/63001280896.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/34803766861.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6404/9318/files/nuvajepik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/50537202024.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5756/9176/files/2145158092.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 5

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_off0000890d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x890D 5360 bytes
SHA-256: 28fa11653fb828abd2cd26a637a9bd9c61ff92dacdaffd3f18514bfa91b856f2
font_01_sfnt_off00009b30.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9B30 10488 bytes
SHA-256: 534aee0cab3a769484ffa3b593e4e6d6a4997326c99d5ef1929798f4e799d641

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