Malicious PDF — malware analysis report

Static analysis result for SHA-256 ebfa9eb8cea27f18…

MALICIOUS

PDF

42.6 KB Created: 2020-08-17 18:19:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8a0da811d0c09c0b14003793ee1f8d38 SHA-1: 31d084f109bf6ab4b3824687aaf5fbd850633e5d SHA-256: ebfa9eb8cea27f18562fff609ff98683a24ca31aa53d7f9665a3dcaac283d40a
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=certificate+of+origin+template+chile'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, including one to 'http://files.bbfcafe.shop/uploads/1/3/0/7/130776103/d6397b2c85b2a.pdf'. The document body, though heavily obfuscated, contains references to the malicious URL, suggesting a lure to external malicious content.

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=certificate+of+origin+template+chile In PDF document text
    • http://files.bbfcafe.shop/uploads/1/3/0/7/130776103/d6397b2c85b2a.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/1/0454/2785/1422/files/alman_dilinin_qrammatikasi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7062/7735/files/166917748.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0621/3789/files/62605464675.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4691/8551/files/bernardine_evaristo_lara.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0288/8351/files/71097944648.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3204/1889/files/formato_inscripcion_cetis_166.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2727/4645/files/math_activities_for_kindergarten.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/3871/5552/files/cuento_de_la_bella_y_la_bestia_original.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9436/7644/files/74200957671.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6727/7469/files/dolmen_mall_tariq_road_store_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4646/8769/files/82990809364.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6525/3792/files/73744175527.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 3

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_off00005eb2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5EB2 5060 bytes
SHA-256: 6e4018871ad225a4d4d20f349d83459d6062780248022931546ded1b169c118f
font_01_sfnt_off00006fb4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6FB4 9368 bytes
SHA-256: deab484c26db4f0f0dca5885a1cc093615bc75a49f17fa8b698e9325e71c030c
font_02_sfnt_off00008fad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8FAD 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3

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