Malicious PDF — malware analysis report

Static analysis result for SHA-256 032c57604b97986d…

MALICIOUS

PDF

44.7 KB Created: 2020-11-09 16:23:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 9aa6358f998a2438ffce3d5c6e64f06b SHA-1: 665c745233b98218171a3e53a48d377dec4a3a9e SHA-256: 032c57604b97986d3ebe1939b7e7f89a08a148ae140b78890be4183f9bece186
124 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains an embedded URL that points to a suspicious domain, identified by the PDF_URI heuristic. The ML classifier also strongly flagged this PDF as malicious. While no scripts were directly extracted, the presence of an external URI and the ML score suggest an attempt to redirect the user to a malicious site, likely for phishing or malware distribution.

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://traffking.ru/aws?keyword=the+slippery+slope+lemony+snicket+pdf In PDF document text
    • https://xetolakovi.weebly.com/uploads/1/3/4/6/134604046/1781034.pdfIn PDF document text
    • https://vogizezadu.weebly.com/uploads/1/3/0/8/130814341/vadomev.pdfIn PDF document text
    • https://lowizozexide.weebly.com/uploads/1/3/0/7/130776176/mijefiziwitudapo.pdfIn PDF document text
    • https://sekojufakov.weebly.com/uploads/1/3/0/7/130776719/xitikofaloru.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4380539/normal_5f8f5b5071c92.pdfIn PDF document text
    • https://relugudikovok.weebly.com/uploads/1/3/4/2/134265752/lapadijobobe_gadatadajutek_fesil.pdfIn PDF document text
    • https://xazojitov.weebly.com/uploads/1/3/1/4/131408465/6454322.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://s3.amazonaws.com/pizivurapab/appassionata_piano_studio.pdfIn PDF document text
    • https://s3.amazonaws.com/bewibiwat/bekexo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a08b78ab-b229-4816-b971-c0a4349ad3ff/nupotudaxutima.pdfIn PDF document text
    • https://s3.amazonaws.com/domegagowevag/who_is_responsible_for_simon_s_death.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_off00006184.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6184 5088 bytes
SHA-256: 7ae19438b7c99a45a646570f77d1beee0e29b9724bf79c2b7a9ddae97de845b9
font_01_sfnt_off000072af.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x72AF 11156 bytes
SHA-256: 0bbd93e0dd4faccb2097302fdd841d5a9ba2ba577fcee6249087c72f167f609c
font_02_sfnt_off00009779.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9779 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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