Malicious PDF — malware analysis report

Static analysis result for SHA-256 b7d0d4f40691ac44…

MALICIOUS

PDF

202.9 KB Created: 2020-08-15 08:15:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 44d398d766e0477277ffd0381f10ea4b SHA-1: d9964aa0dcba69587fa3953423b15082918391c2 SHA-256: b7d0d4f40691ac447807193eedcaff9630e6a89f05832e408c4a01eef8fd38cb
142 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=pottu+amman+film+songs+free'. The document body, though heavily obfuscated, also contains this URL. The presence of urgency language in the heuristics suggests a social engineering attempt to trick the user into clicking the malicious link, likely leading to a further stage of infection.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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.
  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=pottu+amman+film+songs+free In PDF document text
    • http://jenalidi.goldenrodhistoricalsociety.com/uploads/1/3/0/8/130814328/pedotodaxureforudu.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/1/0433/9548/1750/files/tifebunalalajavavi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2821/0073/files/9672421472.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9408/1687/files/fosigel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5358/0439/files/kakirilebin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4365/1741/files/taco_bell_overwatch_codes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/1581/2766/files/el_alquimista_h._p._lovecraft.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6620/4066/files/rorakejapaxepu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5460/4198/files/az_100_book.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0671/3253/files/kudawasujofuxilezosob.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 1

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_off0002e0cf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E0CF 5088 bytes
SHA-256: 145ed8d1ecbe4c8e98a9f957e94e9d662d60dbf90157b272d9fa8934a7521fe3
font_01_sfnt_off0002f204.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F204 13948 bytes
SHA-256: 36b0a97f85bea7a2266f37da94ce86b5de7001e98c23ed590f3058e5ce5ebf36

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