Malicious PDF — malware analysis report

Static analysis result for SHA-256 3f03d8447b6e3207…

MALICIOUS

PDF

261.9 KB Created: 2021-06-12 14:39:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: ee54c90eb20a7615f02f9e8186f7637e SHA-1: 6c8113322f0fa73d126b21a6c23e0de49c4c66b7 SHA-256: 3f03d8447b6e3207a88e3ac51e9be5ceee9597dd7fe38c5a30d0e8fad24fa150
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 0.9867

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://drafthe.ru/pbw?utm_term=gloomhaven+soothsinger+cards+pdf PDF link annotation
    • https://vawemuziz.weebly.com/uploads/1/3/5/3/135351027/safobego.pdfIn PDF document text
    • https://fakivafepupu.weebly.com/uploads/1/3/0/8/130873921/jidinuromevup.pdfIn PDF document text
    • https://jutulomivepira.weebly.com/uploads/1/3/4/7/134775876/fomuko_ferapufitibobi.pdfIn PDF document text
    • https://viwapuse.weebly.com/uploads/1/3/5/3/135306484/7956680.pdfIn PDF document text
    • https://mopuzivukoman.weebly.com/uploads/1/3/4/1/134108623/0e90598c513be60.pdfIn PDF document text
    • https://kegefotog.weebly.com/uploads/1/3/1/3/131398129/ritutixipijonirak.pdfIn PDF document text
    • https://vokudevarugu.weebly.com/uploads/1/3/4/7/134724616/gitofivapisegeseres.pdfIn PDF document text
    • https://wovupidej.weebly.com/uploads/1/3/4/6/134687137/1b4d366a8878f19.pdfIn PDF document text
    • https://jujoxetanilodav.weebly.com/uploads/1/3/5/3/135397559/xovirosewe_koxekane_vodarinonej.pdfIn PDF document text
    • https://limikasideg.weebly.com/uploads/1/3/4/4/134446439/c4c30.pdfIn PDF document text
    • https://jebeniwuzopud.weebly.com/uploads/1/3/4/7/134707819/7500889.pdfIn PDF document text
    • https://dexuruxewiripo.weebly.com/uploads/1/3/2/6/132682754/mulebokakones.pdfIn PDF document text
    • https://kotasixunepa.weebly.com/uploads/1/3/0/7/130776076/905102.pdfIn PDF document text
    • https://dofenerezi.weebly.com/uploads/1/3/4/4/134446603/pemababijuxug-pasuxelelovi-nabaz-lopitopotu.pdfIn PDF document text
    • https://jinidodax.weebly.com/uploads/1/3/0/9/130969434/c851df325f3e51d.pdfIn PDF document text
    • https://zegazofegu.weebly.com/uploads/1/3/5/2/135296009/tudimarinojiganekoxo.pdfIn PDF document text
    • https://dekupepevimozis.weebly.com/uploads/1/3/0/7/130738652/lofuw.pdfIn PDF document text
    • https://savotawap.weebly.com/uploads/1/3/7/5/137509548/maxipariwotap_femanudegogutez_felixidokabezoz_gomuvurulu.pdfIn PDF document text
    • https://deronabopopunol.weebly.com/uploads/1/3/4/7/134728657/434a8066855ccd5.pdfIn PDF document text
    • https://wapexuji.weebly.com/uploads/1/3/5/3/135329723/fatonozogazami.pdfIn PDF document text
    • https://dupujemewo.weebly.com/uploads/1/3/4/0/134040979/juted.pdfIn PDF document text
    • https://fofafobef.weebly.com/uploads/1/3/4/3/134349457/6422336.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/602c863b-4859-42fa-ac15-81d66881cbe9/83261049752.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1d46c1a4-c2e2-457c-9979-e73418c57d0e/57530073100.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cffb53c7-47c5-463c-9925-ad1906fcd792/q-see_8_channel_h.264_dvr_manual.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_off0003cd43.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3CD43 5660 bytes
SHA-256: 6075bc132a670033f2b40bfd3e850d1b9e360c2c9c32b893a1954c5714e95c42
font_01_sfnt_off0003e060.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3E060 11332 bytes
SHA-256: b0829b5e4526a31917a9e33ae2b570f7404422409f67fc6fd501b995ddf389d1

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