Malicious PDF — malware analysis report

Static analysis result for SHA-256 f6719a6ecd2463e2…

MALICIOUS

PDF

45.0 KB Created: 2020-08-18 14:22:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 792366b381f450f4df5d8136d1cc7776 SHA-1: 8e718d98df657dfeeaf88ab3e4411d000b8aea3d SHA-256: f6719a6ecd2463e21934ecf976489676e9c0d2c50efe6bfa3084ba915650b5eb
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment T1059.001 Command and Scripting Interpreter: PowerShell

The PDF file contains a large number of embedded links, many of which point to a redirector service. The document body, though heavily obfuscated, contains a URL that leads to a malicious redirector. This suggests a phishing or social engineering attack aimed at directing users to malicious content. 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.ru/pify?keyword=que+es+transferencia+en+psicologia+pdf In PDF document text
    • http://files.pacerstalk.net/uploads/1/3/2/6/132695566/vizesotikoxodijole.pdfIn PDF document text
    • http://files.kraftwerk-carpentry-decorating.com/uploads/1/3/1/3/131381804/3071968.pdfIn PDF document text
    • http://files.arcticinrapidtransition.com/uploads/1/3/1/4/131408664/dapubarumabix-vadapesuv.pdfIn PDF document text
    • http://files.wichcream.com/uploads/1/3/0/8/130874204/2566937.pdfIn PDF document text
    • http://files.inearthenvessels.com/uploads/1/3/1/4/131482975/57d09cd72e56.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/1/0446/6409/4873/files/acca_accounting_ratios_formulas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9625/1304/files/30240887059.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2385/9873/files/24409075660.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5793/7561/files/potential_transformer_definition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7666/2949/files/atrial_septal_defect_pada_anak.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5894/4405/files/wufujok.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4116/8283/files/14243175527.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3082/2555/files/fosoruluse.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/3066/4600/files/224271906.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8649/6415/files/michelin_wiper_blades_size_chart.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1087/5815/files/totem_tribe_walk_through.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/5710/1465/files/jewopanuwogokoni.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0897/4235/files/51338295727.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_off00006ef8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6EF8 5384 bytes
SHA-256: 9384d7678eae88b9335b707b7d59b19f9b19491a625bc7340a3c09f4ef64fbd4
font_01_sfnt_off00008150.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8150 10960 bytes
SHA-256: 36d7eaa9d426b56fe444485eac52823d5e21194a99276014c54850279719b3d9

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