Malicious PDF — malware analysis report

Static analysis result for SHA-256 fcc9b5faa546e084…

MALICIOUS

PDF

48.6 KB Created: 2020-10-06 19:20:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-19
MD5: dfcbfa05adb6ecc38202cd52d305e61f SHA-1: 6791613318c0c4d517d835d34889aea8d8689f4d SHA-256: fcc9b5faa546e084f4f5def34886c756f535b1779e0cd6183af3f359ccb22fe8
124 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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 is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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=smallville+season+1+episode+1+dailym In PDF document text
    • https://site-1038572.mozfiles.com/files/1038572/salabivorixezap.pdfIn PDF document text
    • https://site-1040360.mozfiles.com/files/1040360/51504841922.pdfIn PDF document text
    • https://site-1042770.mozfiles.com/files/1042770/nipiraximagowozogovemolos.pdfIn PDF document text
    • https://site-1039481.mozfiles.com/files/1039481/wijizinitosamefat.pdfIn PDF document text
    • https://site-1036621.mozfiles.com/files/1036621/32221490120.pdfIn PDF document text
    • http://files.stretch-n-growop.com/uploads/1/3/2/6/132696335/4fbc63fcbcae9.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/41de4721-3a43-4625-b1fb-4ed43b4ec33a/92897123595.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7628d9ba-8991-4790-884d-78aa6ff3ee26/65571583532.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ba7c5d58-3177-450a-a761-641952943122/1731927803.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0935/9517/files/shamrock_shuffle_2020_nh.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0483/4122/1525/files/girl_chat_ideas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3797/2897/files/rarubizegawezebovu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0484/2536/9754/files/sunudogekuxuniwifibafas.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007ffd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7FFD 5324 bytes
SHA-256: acb02c2e97d8c63494493c98064eb240e425f229ae5edcf0406d9af646dba79f
font_01_sfnt_off00009218.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9218 10356 bytes
SHA-256: ab163dc66eb11f28db57a43fc40f104b346b5e344b38489bebeb2cfca5085892

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