Malicious PDF — malware analysis report

Static analysis result for SHA-256 e17193fb0f978e4b…

MALICIOUS

PDF

78.5 KB Created: 2021-03-09 10:56:00 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 6622930b9a4889e64587f3d9a94c5617 SHA-1: c070854ff125a82090482f02e4834fd507d821f6 SHA-256: e17193fb0f978e4b0cef1c3018b6422fbf9727c2b59a1779450fc7283afc6904
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://druttle.ru/123?utm_term=windows+7+ultimate+32+bit+bootable PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4421615/normal_5fff50dd8e9a9.pdfIn PDF document text
    • http://5coupons.info/94696007069v002m.pdfIn PDF document text
    • https://limakeluror.weebly.com/uploads/1/3/4/6/134657352/simekewazovujexojij.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4458829/normal_601e0c7e767fb.pdfIn PDF document text
    • http://save50.pro/modelo_de_carta_de_comunicacion_interna_de_una_empresa3uoni.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4375195/normal_60354cde0a435.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4413373/normal_6000fd9e00191.pdfIn PDF document text
    • https://xitupiwe.weebly.com/uploads/1/3/4/4/134489196/c16b4e5.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4426686/normal_5ff8c9ee050d1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4389823/normal_60171c62510be.pdfIn PDF document text
    • https://kagoxikefo.weebly.com/uploads/1/3/4/6/134649289/ef57b41a1.pdfIn PDF document text
    • https://gaburidukir.weebly.com/uploads/1/3/4/4/134463400/6519182.pdfIn PDF document text
    • http://ericksandoval.com/98817469596a3ktg.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4368969/normal_6006fb54accb8.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4490930/normal_5ff89049c75e2.pdfIn PDF document text
    • https://xafusotegemuwif.weebly.com/uploads/1/3/5/3/135304795/vefodugijeparekuti.pdfIn PDF document text
    • https://sudarotabodubig.weebly.com/uploads/1/3/1/4/131407445/zekugurukizona.pdfIn PDF document text
    • https://fazerirusabutef.weebly.com/uploads/1/3/1/3/131381144/efe8cfb.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4450427/normal_5ff58bb7c6a83.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/b3f37bc4-afdc-49fd-af64-9b03d5b374ba/41126798576.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8c4d8c0e-5dc2-466c-9e49-e049012eb630/18217200631.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/90fea8d5-6e38-47d5-9e78-e653914b853c/wifi_analyzer_mac_free_download.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_off0000e87f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE87F 5376 bytes
SHA-256: fae81d120511f6adbb6cc3ecd46c249bca2b805d1fa172cd6a43cccfd0054230
font_01_sfnt_off0000facb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFACB 10220 bytes
SHA-256: a58baa23197b0358460b0a414dbc0c309d0d2de61575b87668966098672550f3
font_02_sfnt_off00011dee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11DEE 4324 bytes
SHA-256: ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230

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