Malicious PDF — malware analysis report

Static analysis result for SHA-256 cb6de62efe848423…

MALICIOUS

PDF

115.6 KB Created: 2020-08-22 00:04:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e7cdf3ac1af8b96c54a717863f524fa2 SHA-1: b80916d85c00e56180a87dc1a47c9c813e9ff348 SHA-256: cb6de62efe848423c11cb0c3a09b84a40454b83fefe5b7be5263f848388ae8e8
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The document body, though partially corrupted, contains text related to 'asterix comics pdf free deutsch' and a URL pointing to a redirector. This indicates a likely attempt to drive traffic to malicious infrastructure, potentially for phishing or malware distribution. The ML classifier strongly supports the malicious verdict.

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=asterix+comics+pdf+free++deutsch In PDF document text
    • http://files.escapeabstracts.com/uploads/1/3/1/1/131163932/0daaf45.pdfIn PDF document text
    • http://fifas.johnredekercards.com/uploads/1/3/2/7/132740764/fureboze.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/1/0463/0498/5245/files/vidmate_apk_mod_rexdl.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5797/9304/files/povumolozinuzexejoru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4094/8892/files/pujotud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2457/9751/files/96551407172.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2554/5890/files/java_compareto_method.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3032/3101/files/bedsheet_ghost_cute.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4424/1562/files/convergent_divergent_nozzle.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3724/5085/files/fiwijudufijuluv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/7151/0430/files/gomujumakulufoju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6108/4322/files/92491350002.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/8993/5003/files/minecraft_sky_city.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00016e94.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x16E94 3416 bytes
SHA-256: 05efa86e073a840056232c833abcc13cc9e6e907aded7842404693b7cfb37ffb
font_01_sfnt_off00017ac2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x17AC2 5208 bytes
SHA-256: baf3321e41c8dce73e2f4a22f72b53a37f18bc982a35c50a976b478115506085
font_02_sfnt_off00018c58.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x18C58 17712 bytes
SHA-256: 2ebd8a4d2a5f313e3be3bca55b5db693adb769c01caf34e13d28363503dff8cb

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