Malicious PDF — malware analysis report

Static analysis result for SHA-256 3481b5e16e00b9be…

MALICIOUS

PDF

45.4 KB Created: 2020-08-06 11:59:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d2359a7fa4ed94f3bb59d87cdc9ee435 SHA-1: e0704e9da1fbf921745d9ff83ebdc74a502e58c6 SHA-256: 3481b5e16e00b9bec4deb129673ac127ec12770d5495914f50efb3ccd4fada70
194 Risk Score

Malware Insights

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

The PDF contains embedded links that redirect to malicious infrastructure, specifically identified by the 'PDF_MALICIOUS_REDIRECTOR_LINK' and 'PDF_SEO_LINK_FARM' heuristics. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=bandler+richard+pdf', indicating a phishing or malware distribution attempt. The ML classifier also strongly flagged this PDF as malicious.

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.cc/pify?keyword=bandler+richard+pdf In PDF document text
    • http://files.3bdesigns1.com/uploads/1/3/1/4/131406036/fugamovisede_tenogadumugova_wavodemozuwip_fuwaro.pdfIn PDF document text
    • http://files.thenauticalartsworkshop.com/uploads/1/3/1/6/131606035/bikebawifutir.pdfIn PDF document text
    • http://vidupol.autismsupportgroup.org/uploads/1/3/1/4/131453284/540c4e0f951.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6830/9152/files/papuvozusuvunoru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9212/3560/files/furimadezirafomoxed.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6694/9786/files/mitusujobitifaxevivaxev.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5067/2026/files/fudenurinezesoni.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4388/1114/files/rekadudaxem.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6036/3413/files/lunopobezesexaj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/18842325712.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2253/2251/files/battelle_developmental_inventory.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2910/0701/files/24578247111.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9262/9917/files/66496669654.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3222/2615/files/runubuv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0636/0730/files/merge_files_mac_os.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000687e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x687E 4712 bytes
SHA-256: e0637465367267ce07b2345fd07edeac10393a40568395986d1c961764c1547a
font_01_sfnt_off00007864.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7864 10112 bytes
SHA-256: 90a802638753675464e5f94dd652258f99f7d21f705de35e94e5dba7e4a7bb6a
font_02_sfnt_off00009b0b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9B0B 4324 bytes
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2

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