Malicious PDF — malware analysis report

Static analysis result for SHA-256 388e61ef7167df2b…

MALICIOUS

PDF

73.7 KB Created: 2020-11-24 21:42:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23
MD5: 334a5001f3769712a65017aadece0079 SHA-1: 8e09b845f5c4badfbec8ddfafbbddfdf4da8142f SHA-256: 388e61ef7167df2b29e4407a971637ede4e886d567dfd6c6938c51b2b1cfc1c4
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://trafffe.ru/aws?utm_term=ppt+bahaya+merokok+bagi+remaja PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4366029/normal_5f95b2bc8e8c7.pdfIn PDF document text
    • https://rotuvose.weebly.com/uploads/1/3/4/8/134849004/faterududivaj.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4454825/normal_5fada516760dd.pdfIn PDF document text
    • https://ximetekorexuven.weebly.com/uploads/1/3/4/4/134489871/6125240.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
    • https://uploads.strikinglycdn.com/files/69d399a1-c679-4d75-beaf-4c43ea751aeb/rizusenomazinatexunoj.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/41d80f41-1652-449d-b47e-d8991335038f/60083013243.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1d76c927-a17b-4a4c-9c39-2e24bb70e4f1/tikaxuzaludepepe.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b99d0d26-a0b2-4224-bd25-0fab25a56717/32757404187.pdfIn PDF document text
    • https://s3.amazonaws.com/suxugipipolazog/rarisefuxogegezegewediro.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0a9ce20f-7d92-4e50-ad2b-752ccfc16bb2/wamagixuzexaba.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d9adac89-b390-4ce8-96b9-6953dbf767ef/lajobi_pinehurst_lifestyle_crib_instructions.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2ba037ca-ff87-4db4-95c5-5d4f13cded59/kuxefemaxekututuzobabixu.pdfIn PDF document text
    • https://s3.amazonaws.com/sojebelevenex/99589332512.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/124e2410-fa47-40c1-acc0-754ccd1357cc/timidun.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3bf99201-433b-4721-807e-efcba59e7337/66164462190.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_off0000d707.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD707 5088 bytes
SHA-256: 1695fddfa9b6c666a7d333b39e9aba1719ad10dc95f667485e2cbd5dbdb6e673
font_01_sfnt_off0000e858.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE858 10360 bytes
SHA-256: bcb36d803a1ff48a1e716d97d8a9ec307e3de1c26dc3ca0877de09b69efdffaa
font_02_sfnt_off00010bcc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10BCC 4324 bytes
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71

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