Malicious PDF — malware analysis report

Static analysis result for SHA-256 aacdb48a8c9b9ae4…

MALICIOUS

PDF

76.6 KB Created: 2021-02-25 23:36:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-04
MD5: 037fb172b33dfc9c48b4c0c9fe105d4d SHA-1: a0d08b6810551aab4618de1f58c78da3a695b3a3 SHA-256: aacdb48a8c9b9ae40f36fa6c142f77671f20c45c987119a3247562c08e673d59
96 Risk Score

Malware Insights

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

The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a phishing site. While no scripts were explicitly extracted, the PDF structure and embedded URI suggest an attempt to facilitate phishing or malware distribution.

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://bologen.ru/wix?keyword=brasil+e+alemanha+ao+vivo+sportv PDF link annotation
    • https://beluloxepivizor.weebly.com/uploads/1/3/4/1/134131295/5450045.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4477892/normal_5fdf245caaf4b.pdfIn PDF document text
    • https://supadebev.weebly.com/uploads/1/3/2/7/132712355/gemaliduji_lijupowukexorud.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4385434/normal_600b32fea3985.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4446930/normal_5fdc7e786a45d.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4419822/normal_5fc7ef000233c.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4458132/normal_600363687eab0.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4383582/normal_5ff70ac8ed579.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4388038/normal_5fdaf2378fed9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4403561/normal_602d92fb15721.pdfIn PDF document text
    • https://dazenesulamese.weebly.com/uploads/1/3/1/1/131164173/dekitak_vikonoxofamog_fafovavugeke.pdfIn PDF document text
    • https://fuwefepitebu.weebly.com/uploads/1/3/4/7/134709748/6578199.pdfIn PDF document text
    • http://xetanorimenu.iblogger.org/sogupada.pdfIn PDF document text
    • https://kupelaranix.weebly.com/uploads/1/3/4/7/134729830/gadebetar.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4496389/normal_6022682ea4656.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://voxinuxo.epizy.com/amtrak_carolinian_route_guide.pdfIn PDF document text
    • http://ritanuwo.epizy.com/wifelanolokikisabovagef.pdfIn PDF document text
    • http://susixegan.rf.gd/lujomawuk.pdfIn PDF document text
    • http://rubuvajaroxe.epizy.com/49353999114.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_off0000e96b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE96B 5168 bytes
SHA-256: dc8f92f0dc906e7173572ad38a61a4c17e631e53770bc7e9fa7cdd14ab4c91bd
font_01_sfnt_off0000fadb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFADB 13272 bytes
SHA-256: 47ca39ba6038fa657d52ec9b0d1a8edfecd9b932727ea1235273a4e08f88013e

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