Malicious PDF — malware analysis report

Static analysis result for SHA-256 314e35225a7b458e…

MALICIOUS

PDF

85.1 KB Created: 2021-01-17 21:04:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-11
MD5: 72849a1dbb6d91e24ff1ec6cfddbeb31 SHA-1: 26f097e21b113dd2ad280af8d3d9cd29e649c34a SHA-256: 314e35225a7b458e7ea7f32e03b9590aabf8e1669dcc2bfdce2acba7b04623b0
96 Risk Score

Malware Insights

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

This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URL that directs users to a suspicious domain, likely to deliver a malicious payload or phish for credentials. The document body, though partially corrupted, suggests a lure related to 'undenatured whey protein meaning'.

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://trafficel.ru/123?utm_term=undenatured+whey+protein+meaning PDF link annotation
    • http://tumexade.22web.org/pokhila_assamese_album_songs.pdfIn PDF document text
    • https://site-1179689.mozfiles.com/files/1179689/litufatu.pdfIn PDF document text
    • https://site-1176507.mozfiles.com/files/1176507/tapezikujozijow.pdfIn PDF document text
    • https://site-1172574.mozfiles.com/files/1172574/ashford_weather_report_nsw.pdfIn PDF document text
    • https://site-1168348.mozfiles.com/files/1168348/2201714599.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/lomuper/72304907459.pdfIn PDF document text
    • https://s3.amazonaws.com/rizijubovapuk/63874688022.pdfIn PDF document text
    • https://s3.amazonaws.com/bezorito/2686196458.pdfIn PDF document text
    • https://s3.amazonaws.com/lixisariwulo/tuxatexu.pdfIn PDF document text
    • http://laxuraxosolun.epizy.com/topographic_maps_worksheet_8th_grade.pdfIn PDF document text
    • https://s3.amazonaws.com/lokijuronig/fivobipelajifa.pdfIn PDF document text
    • https://s3.amazonaws.com/zobuwubedak/linux_commands_with_syntax_and_examples.pdfIn PDF document text
    • https://s3.amazonaws.com/padosumifubobo/46061090650.pdfIn PDF document text
    • http://libejejizu.epizy.com/list_of_nouns_adjectives_and_adverbs.pdfIn PDF document text
    • http://felubumasosazi.epizy.com/51488875411.pdfIn PDF document text
    • https://s3.amazonaws.com/gewuwasi/64747620614.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_off00010d4f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10D4F 5348 bytes
SHA-256: 87a429c3790cce05f03ae90ab979240c173679ced8e0ae68691541e833ced9c5
font_01_sfnt_off00011f6d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11F6D 11820 bytes
SHA-256: 08f0005631e3d134db95719472be6a0b24205d5b4140966d6ee0b43f3665b72f