Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ddc6e2893de0ce9…

MALICIOUS

PDF

47.4 KB Created: 2020-10-29 14:45:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-26
MD5: 65c0ee6686333f9461d2fbaefca8d886 SHA-1: 08a534e09d7aca13273e7ab89613d1df518b9b79 SHA-256: 3ddc6e2893de0ce9cef59241e396009ab5a9de4b1e230cc08cfd627786784572
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://ttraff.link/123?keyword=iron+man+2+teaser+poster In PDF document text
    • https://xojerajap.weebly.com/uploads/1/3/1/3/131384359/3373854.pdfIn PDF document text
    • https://netaluzubik.weebly.com/uploads/1/3/0/8/130813777/03c6f5f195.pdfIn PDF document text
    • https://naxedomabaxa.weebly.com/uploads/1/3/1/6/131606472/dufunetitegoze.pdfIn PDF document text
    • https://mumixopid.weebly.com/uploads/1/3/1/8/131872042/2585702.pdfIn PDF document text
    • https://fawubanine.weebly.com/uploads/1/3/4/3/134321827/c840172a63ffdc.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://cdn.shopify.com/s/files/1/0491/8204/8422/files/dagefuk.pdfIn PDF document text
    • https://s3.amazonaws.com/zowejunef/91344587100.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0266/8229/4456/files/free_maze_worksheets_for_first_grade.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0279/4992/4543/files/rikon_drill_press_review.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4061/3286/files/wisukiromev.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0496/3349/3156/files/scanned_file_convert_to_excel.pdfIn PDF document text
    • https://s3.amazonaws.com/susopuzupure/handbook_of_cardiac_anatomy_physiology_and_devices.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0484/8874/3062/files/99584879767.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2856/8471/files/thank_you_mail_for_invitation_to_event.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_off00006c8a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C8A 4740 bytes
SHA-256: 986711cbec5ee2e71ae93b16f5de89fbfee68916866ce91a4d1c503a24dca5ce
font_01_sfnt_off00007c6c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7C6C 11228 bytes
SHA-256: fae7b7bb10cc8bb6670c369b4e560b3df0137d7c68fb9509bd1611480cc5c572
font_02_sfnt_off0000a285.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA285 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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