Malicious PDF — malware analysis report

Static analysis result for SHA-256 9f6124c5063c6884…

MALICIOUS

PDF

72.2 KB Created: 2021-03-01 17:48:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 40001ddf0264c6c433c16af29810246f SHA-1: 7a303716fd59d785717281d7ee33be99e1f849f3 SHA-256: 9f6124c5063c6884ea583b95c256f197e84edf5361b983e8e9482a0c6e1163de
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The embedded URL points to a domain that appears to be part of a phishing or scam campaign, attempting to lure users with a fake award. No scripts were extracted, but the PDF structure and embedded URI suggest a phishing attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://jottigo.ru/award?keyword=krups+beer+best+price PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4464056/normal_5ff39077d4e2b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387581/normal_602601fb2b469.pdfIn PDF document text
    • http://fly-drive.online/sub_zero_and_wolf_double_oven_pricevjgvc.pdfIn PDF document text
    • https://wefupavoxed.weebly.com/uploads/1/3/2/6/132682659/7eca54b7.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4375518/normal_5fe5f61328566.pdfIn PDF document text
    • http://nomenowunesazoz.scienceontheweb.net/human_resource_management_functions_include_all_of_the_following_except.pdfIn PDF document text
    • http://winemewimivo.22web.org/lasonukuf.pdfIn PDF document text
    • http://sendgrid-de.com/gisinatoxufofipepagnloe6.pdfIn PDF document text
    • https://sagakoto.weebly.com/uploads/1/3/0/8/130814189/2860801.pdfIn PDF document text
    • http://netzamka.ru/penezejemanufamiler7fz27.pdfIn PDF document text
    • https://lawukexudemodu.weebly.com/uploads/1/3/4/0/134041757/wekawosujevu_kobuf_kosagigurotoxa.pdfIn PDF document text
    • http://help-feedback-amzn6.xyz/el_conde_de_montecristo_pelicula_completa_espaol_latino_hd_descargar2u6wd.pdfIn PDF document text
    • https://nojasiputijaze.weebly.com/uploads/1/3/4/8/134869787/xaniwiruwo-wikizozegegepo-jubamudesej.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://liraperuwuw.atwebpages.com/gatehouse_locks_installation_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/vuzotisenixava/acute_asthma_attack_guidelines.pdfIn PDF document text
    • https://s3.amazonaws.com/juzinaramip/razipoparadumu.pdfIn PDF document text
    • https://s3.amazonaws.com/mipeboro/vsco_mod_apkpure.pdfIn PDF document text
    • https://s3.amazonaws.com/dixaleko/government_information_classification_levels.pdfIn PDF document text
    • http://dijakobikegexi.epizy.com/zokatinasopowojizu.pdfIn PDF document text
    • http://wavusuwu.epizy.com/universal_self_scorer_biology_book.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://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e131.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE131 4792 bytes
SHA-256: f2b26c3f610c6a717f73bcf70c75a4794738f3459f714bff0340fd2107c330ec
font_01_sfnt_off0000f194.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF194 10716 bytes
SHA-256: ac2cc3451805946238d44e37d65a259237d8a1f21488109282faa9745c44d30f

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