Malicious PDF — malware analysis report

Static analysis result for SHA-256 2244afcc949024c9…

MALICIOUS

PDF

71.6 KB Created: 2021-04-11 01:33:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 5238513b1e1db975e47d62331b4bea94 SHA-1: 5cfc47cbbbec9f097b7711adbd1d599b353fb364 SHA-256: 2244afcc949024c905307c76abcb0ade0ba3c20008f351de9e6f574f33dbebc5
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

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://resalured.ru/strik?utm_term=g-shock+erkek+kol+saati+ga-100cm-4adr PDF link annotation
    • http://thedopemarketing.com/28583957784gukgt.pdfIn PDF document text
    • http://nozipomak.iblogger.org/jopoberusanenereponefe.pdfIn PDF document text
    • http://jodopafipunew.22web.org/48270962717.pdfIn PDF document text
    • https://mejodedasebedo.weebly.com/uploads/1/3/4/7/134725949/fituwiwafagel.pdfIn PDF document text
    • http://steblin.pro/fuxofukalozazenuwerisogn3d6r.pdfIn PDF document text
    • https://velipeveg.weebly.com/uploads/1/3/5/3/135346016/1c8911f.pdfIn PDF document text
    • http://duboxol.iblogger.org/beatriz_sarlo_una_modernidad_periferica.pdfIn PDF document text
    • https://gikemozepuv.weebly.com/uploads/1/3/0/7/130740444/a65ff63bf7befe2.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
    • http://xinuxupenaze.epizy.com/tafabusutukikesazikisoxi.pdfIn PDF document text
    • http://lekukulefu.epizy.com/filexigewelinolewun.pdfIn PDF document text
    • https://s3.amazonaws.com/nonipesikiri/fekufipufamomifu.pdfIn PDF document text
    • https://s3.amazonaws.com/zibenoroduzuw/jifurikokazimazu.pdfIn PDF document text
    • http://jerokiguwipifo.rf.gd/62177875030.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1c093788-87af-47d7-beea-a98bbb389611/sharp_er-a320_cash_register_for_sale.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5fdac545-e8b0-41a5-92b0-2aa7e819c07e/22936975255.pdfIn PDF document text
    • https://s3.amazonaws.com/remavuj/giramafegiraxaparajuvosu.pdfIn PDF document text
    • https://s3.amazonaws.com/kizugokofo/is_there_going_to_be_another_witcher_book.pdfIn PDF document text
    • http://xexagum.epizy.com/25282827752.pdfIn PDF document text
    • https://s3.amazonaws.com/pilazi/lizarabilavasumurewezeja.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_off0000cb4a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCB4A 5444 bytes
SHA-256: 70163afe50a2823cf3ce18b466279e2529d5e7e70f65f9f9c557ffaa737bfdc6
font_01_sfnt_off0000ddda.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDDDA 11604 bytes
SHA-256: 057b9fc20b5653bb9ef689d01f2191b2ff5dcdf6f3789ea4c94c7265c5286019
font_02_sfnt_off000102ed.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x102ED 4324 bytes
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2

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