Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e3e01cdb57062d2…

MALICIOUS

PDF

37.7 KB Created: 2020-10-17 10:55:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-19
MD5: 45e7cebdab7bc9e8b943e4f5cdeff016 SHA-1: 16df97b2b32186675f95dca1f38ab0c5a3355f28 SHA-256: 4e3e01cdb57062d2108a0de81b4aea891b4d977d9ad19b1f175fd1e3d03456c8
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://ggtraff.ru/strik?keyword=libro+el+camino+hacia+el+amor+deepak+chopra+pdf In PDF document text
    • https://fixabugodorev.weebly.com/uploads/1/3/1/8/131856934/4026316.pdfIn PDF document text
    • https://xovadodelemowuz.weebly.com/uploads/1/3/1/3/131383330/5713311.pdfIn PDF document text
    • https://xebikazogede.weebly.com/uploads/1/3/2/7/132740990/7294463.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4371814/normal_5f8a10f259bbf.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369629/normal_5f89cff6b6668.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365653/normal_5f8722510f402.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367297/normal_5f88721ee5d0b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366407/normal_5f8a1d0cb7eba.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4374860/normal_5f8a679b73ca8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365602/normal_5f876b1e470c6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366354/normal_5f88b8b497dea.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366317/normal_5f872a876dd97.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4373769/normal_5f89699b698af.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4374521/normal_5f89462225a4b.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/1/0485/3632/2203/files/bakanumo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0499/9086/0950/files/41219875799.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0266/8435/8843/files/per_your_request_comma.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0503/7942/3942/files/79784900737.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0495/6569/6152/files/4_in_goal_2016.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0266/8540/7421/files/cnn_10_october_14_2019.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0266/8170/4632/files/leon_redbone_shine_on_harvest_moon_chords.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0462/1592/1818/files/the_art_of_start_2.0_in_hindi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0503/8873/0054/files/warcry_rules_4chan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0465/2040/2078/files/ac_blower_motor_capacitor.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_off00005241.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5241 5360 bytes
SHA-256: 2e56819ab8a75b381f2a6babccbbb0e2f6f7e7110907a4578ffe0f576009f98b
font_01_sfnt_off0000643e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x643E 10536 bytes
SHA-256: c24c27858e6ef9f9f0a1a6bcc23e9fcd25aea7b2d79f27288a5a49a04486f00a

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