Malicious PDF — malware analysis report

Static analysis result for SHA-256 96f67702b6215e01…

MALICIOUS

PDF

50.8 KB Created: 2020-10-08 17:31:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 11fec0fa05117fc7dec7f1896cf54672 SHA-1: 276ecdac2ca49f40fd1be0e3cc76f3747b8b61b2 SHA-256: 96f67702b6215e01362d9768255c7f932baace4eec98ddca6af865baa48b700f
194 Risk Score

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://cctraff.ru/strik?keyword=customer+service+skills+for+success In PDF document text
    • http://dawigo.justinedaisuke.com/uploads/1/3/2/6/132695780/2b81ae5d.pdfIn PDF document text
    • http://files.thirdcinemaproductions.com/uploads/1/3/1/3/131379749/sonazez.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/1/0482/3118/6589/files/66352701188.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7780/3925/files/natural_vision_shader.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0346/9206/files/jikimi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0481/9661/6344/files/fairview_cemetery_bergen_county_nj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5725/9420/files/pazepuwudurarodumakapu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0495/5157/3144/files/bethel_school_of_technology_reviews.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6763/7917/files/historia_de_la_independencia_de_mexico_para_nios.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0468/8750/1981/files/destiny_2_tangled_shore_lost_sectors.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2821/0086/files/dovipuvezitulijonalidu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2729/0518/files/pre_algebra_with_pizzazz_answer_key_page_211.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0483/4079/5545/files/flor_de_izote_el_salvador.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3601/6803/files/daily_routine_essay_in_french.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/0223/8888/files/19843837726.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000893c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x893C 4844 bytes
SHA-256: 7161bca7e8451d3eb3172d664016f9e4903b3eaf3a0c9f917ac3b59ebe29d0c4
font_01_sfnt_off000099ae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x99AE 10620 bytes
SHA-256: f47b99c4d2f0e58d027ec43776579bfa7bd1db1d142e84f286cf1f4c1a5a839e

Open this report in the interactive analyzer, or submit your own file for analysis.