Malicious PDF — malware analysis report

Static analysis result for SHA-256 01f0fc7db04cdac6…

MALICIOUS

PDF

43.4 KB Created: 2020-11-03 05:26:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-27
MD5: 44751e2be647a09191d7f7df3a8e2a28 SHA-1: d57e24524ed7123093c3553ea02a90a3562e0fda SHA-256: 01f0fc7db04cdac6d772687c90b66010e6b6cc2df9bb1bc5c7cf24ab3d8245bf
132 Risk Score

Malware Insights

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

The PDF contains embedded links that redirect to malicious infrastructure, specifically identified by the 'PDF_MALICIOUS_REDIRECTOR_LINK' heuristic. The document body, though heavily obfuscated, contains a URL that appears to be a lure for a service manual. The ML classifier strongly indicated maliciousness, and the presence of numerous links on disposable hosting further supports a malicious intent, likely to distribute malware or phish for information.

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 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://gettraff.ru/strik?keyword=1999+nissan+maxima+service+manual In PDF document text
    • https://siregudak.weebly.com/uploads/1/3/0/7/130738759/264da1.pdfIn PDF document text
    • https://kefanizitadibuz.weebly.com/uploads/1/3/4/3/134328212/8069935.pdfIn PDF document text
    • https://nimewoguvinu.weebly.com/uploads/1/3/4/4/134433183/situvukabipe.pdfIn PDF document text
    • https://vofixerexelisat.weebly.com/uploads/1/3/4/3/134311693/mokalinoneko.pdfIn PDF document text
    • https://gokejubekilebu.weebly.com/uploads/1/3/4/3/134376129/wivujitumatipuj_kesomulonidu_guloxugumod.pdfIn PDF document text
    • https://jilukixewe.weebly.com/uploads/1/3/4/0/134042659/benomofunokokigimegi.pdfIn PDF document text
    • https://mojivimimujovo.weebly.com/uploads/1/3/0/8/130874437/batagebexi.pdfIn PDF document text
    • https://korodaziso.weebly.com/uploads/1/3/0/7/130740443/3a17cb8af1bfd7.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/lupebesu/36547956456.pdfIn PDF document text
    • https://s3.amazonaws.com/pojojagajevuxa/hayden_panettiere_law_and_order_svu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0ee6da64-ca15-488c-b825-80aa3cc67581/85919838907.pdfIn PDF document text
    • https://s3.amazonaws.com/mukut/tratamiento_para_aneurisma_cerebral.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ad89afed-b775-4164-98e3-2ea69a75f1e6/693606165.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/beb09285-482e-47ff-83d4-c7171e53f1dd/18696916139.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/135dfd15-bd73-4a54-b542-ead77d67ed9f/padoxoviviregewibate.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_off00006501.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6501 5184 bytes
SHA-256: 2a16e38cfe14cee9da151142d64658fe0ee99976ffc29ba0cc34a03d475313d6
font_01_sfnt_off0000769a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x769A 13192 bytes
SHA-256: 6532b4e263b0673345be737092fcafd604460c61ad92641303387b27b263fd4f

Open this report in the interactive analyzer, or submit your own file for analysis.