Malicious PDF — malware analysis report

Static analysis result for SHA-256 478c15575a77edee…

MALICIOUS

PDF

40.6 KB Created: 2020-10-13 07:49:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-20
MD5: 84c5fa7f416a4734189d73faf3fedb37 SHA-1: 33a4772192745eab8175676bc598bb6b66ea03c3 SHA-256: 478c15575a77edee5d4e9d76884471b5b2cdc32de2852aa7d02d2b8f2e08ec2b
234 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Remote-support tool lure high SE_REMOTE_SUPPORT_LURE
    Document instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
  • 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=business+communication+theories+pdf In PDF document text
    • https://site-1038733.mozfiles.com/files/1038733/sarosuwi.pdfIn PDF document text
    • https://site-1040376.mozfiles.com/files/1040376/lowenugo.pdfIn PDF document text
    • https://site-1039702.mozfiles.com/files/1039702/kevigumixuzof.pdfIn PDF document text
    • https://site-1036629.mozfiles.com/files/1036629/40125828532.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/1/0268/7995/1018/files/eve_online_trade_goods_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0484/2700/8157/files/wokojumakij.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0463/6259/1387/files/properties_of_liquids_worksheet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2314/5896/files/download_connectify_full_crack_bagas31.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0484/9824/5793/files/six_mile_waterworks_trails.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3401/0015/files/bride_price_things_fall_apart.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2417/7560/files/67160609223.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0481/1581/0457/files/nixunesefenudulodifinoxel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0496/5816/7447/files/scientific_method_review_worksheet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0495/5435/8439/files/bukerizabafivuv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2870/7485/files/joint_tenancy_deed_form.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_off00006040.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6040 5412 bytes
SHA-256: ecd3f602c4e4306ac8b29d9a5897da162a75ff20c85abd575489347beb659622
font_01_sfnt_off00007271.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7271 10244 bytes
SHA-256: 8b228a0f6fec4ec777eb2c1b8303c23bfebabaef1831ecb7ae0117825183b6f2