Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e30fe68b8c3283b…

MALICIOUS

PDF

45.9 KB Created: 2020-10-08 15:49:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-19
MD5: 32c16116c6a751b2ca539729b415b3cd SHA-1: 978994e0b88eceec8ed137969956ec3c10f36b83 SHA-256: 4e30fe68b8c3283b706dc945c1a3c32b72264bab9aed4f86679a41ee19b64dcd
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=ratib+al+attas+arab+dan+latin+pdf In PDF document text
    • https://site-1039802.mozfiles.com/files/1039802/49802843627.pdfIn PDF document text
    • https://site-1039472.mozfiles.com/files/1039472/juxudij.pdfIn PDF document text
    • https://site-1042552.mozfiles.com/files/1042552/jubugikisifid.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://uploads.strikinglycdn.com/files/892b0f87-8155-41f0-b747-215344203e3b/navuja.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c675f20c-e70f-4e45-ad55-a85028d8096f/vagodupukamegexaxan.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0e7b3fda-8d0d-4e1b-9e05-5a1ef106dda2/6220674057.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0499/1329/9102/files/dujifukotukapete.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0476/9205/4694/files/life_time_fitness_lakeville_mn.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2963/4970/files/kipibigogevexabaso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0498/5756/0733/files/bozaziwirixomefepulibo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8399/6063/files/jigukuroluzuzidelosedizow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0484/1956/9818/files/zabugalo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0541/0471/files/truck_loader_4_level_26.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0496/6046/1220/files/47966011273.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4060/2269/files/wajuzij.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0480/3965/7631/files/triangular_pyramid_worksheet.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006197.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6197 4744 bytes
SHA-256: fd2c66df31f2c97992faa2912ffbcdf41b10f06c3679718bd56ffd35a98cc74e
font_01_sfnt_off000071a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x71A3 13692 bytes
SHA-256: 67ab9303d1056245e408f0f343d732eaffd6e52e16d44e2c0f40f5732ae755f1
font_02_sfnt_off00009c5e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9C5E 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c

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