Malicious PDF — malware analysis report

Static analysis result for SHA-256 a7656b7917635cbb…

MALICIOUS

PDF

43.3 KB Created: 2020-08-07 04:58:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ce24bf6d9b4187d895e3912668b489b6 SHA-1: 4de1e14353892020a90a4e8795ad7a497c199816 SHA-256: a7656b7917635cbb76b5d00c1da73989e001a848e96db840fb3005c585c489f5
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains numerous links disguised as resources for creating PDF files, but the primary link redirects to a known malicious redirector. This suggests a phishing or scam attempt, likely using the document as a lure to drive traffic to malicious infrastructure. The ML classifier also strongly indicated maliciousness.

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=pdf+file+kaise+banayenge In PDF document text
    • http://files.amandaaiken.com/uploads/1/3/1/3/131380045/2214164.pdfIn PDF document text
    • http://files.goldenfoodbank.ca/uploads/1/3/2/6/132695574/5479926.pdfIn PDF document text
    • http://files.bekahwitmer.com/uploads/1/3/0/9/130969368/desiwaso-risabojolakowij.pdfIn PDF document text
    • http://files.beyondbodyclinic.com/uploads/1/3/1/3/131383456/dibakemetaw.pdfIn PDF document text
    • http://files.profneilmehta.com/uploads/1/3/1/6/131606408/69f02516ac79255.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/1/0431/5915/8946/files/hallelujah_sheet_piano.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/1361/5264/files/capitalismo_socialismo_y_democracia_schumpeter.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5907/5477/files/evangile_apocryphe_de_marie.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1234/9334/files/79070687508.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3631/9639/files/classical_apologetics_sproul.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3051/1779/files/wuxaxoto.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0419/8038/files/korean_learning_books_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5932/2773/files/wajob.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8118/8003/files/lutuxunutex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3055/9390/files/tunazudifibulowonebinoju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9162/4096/files/nilerusam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8184/3356/files/58284990697.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 8

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_off000062c9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62C9 5284 bytes
SHA-256: 96002ef3a8fc660eed2ae62186fe630bcc95c38cdb22e6ae08b1560dbf50381c
font_01_sfnt_off000074e6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x74E6 16388 bytes
SHA-256: 5ebc811e7c423eb470a5c8aa96466c7d25b140ea8cc57e63866c313d9eeb53e0

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