Malicious PDF — malware analysis report

Static analysis result for SHA-256 5534535419859d04…

MALICIOUS

PDF

114.2 KB Created: 2021-03-17 00:41:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: a4e65df61f71b95190a208239441959a SHA-1: 1fa82266d12751fb12ad38a90c76d5cf6489cd07 SHA-256: 5534535419859d04e712109db93c07cd44e8c5e6b9cdee54d87cba7c7741945f
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The file is identified as malicious by ML classifiers and ClamAV, with a high risk score. It contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a malicious site. The document body, though heavily obfuscated, suggests a lure related to religious text, which is a common tactic for phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://fokemale.ru/strik?utm_term=vinayaka+runa+vimochana+stotram+in+telugu+pdf PDF link annotation
    • https://cdn.sqhk.co/supesuvepo/cIjfnni/zawow.pdfIn PDF document text
    • http://studytogether.fun/lijekababodedemelemomofaplvspx.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4375698/normal_5fe5fd115c9df.pdfIn PDF document text
    • https://cdn.sqhk.co/fisoxinizo/nBjehis/gojizizewafibekozutasi.pdfIn PDF document text
    • http://italy50wow.pro/guardian_bl_novel_translationir7x2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369904/normal_60329b95546ff.pdfIn PDF document text
    • https://cdn.sqhk.co/feketukadoz/ihjjUjf/evolution_of_dragons.pdfIn PDF document text
    • https://cdn.sqhk.co/fuvazuginu/dzqB8jb/kokeloxuwofanatefetateno.pdfIn PDF document text
    • https://cdn.sqhk.co/wifurovud/ihhcjiU/74408923743.pdfIn PDF document text
    • https://cdn.sqhk.co/zetoreli/fehbjaI/rozowemojo.pdfIn PDF document text
    • http://nesobaka9.xyz/98832917006pkzvs.pdfIn PDF document text
    • https://cdn.sqhk.co/bitomasijelo/ijydieN/jopisimem.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4472206/normal_6039ffb9cc051.pdfIn PDF document text
    • http://sberbank.services/41982979003uo9ho.pdfIn PDF document text
    • https://cdn.sqhk.co/woselukafo/SEMjiW6/41289724863.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4418574/normal_5ff1ad201f42c.pdfIn PDF document text
    • https://cdn.sqhk.co/bisegepamitu/66d1lpC/rupimuxugawunesiw.pdfIn PDF document text
    • https://cdn.sqhk.co/pagupuxu/7Wgdihk/30852090316.pdfIn PDF document text
    • https://cdn.sqhk.co/liminekaj/jafidgf/34676258555.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • http://www.daltonmaag.com/In 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

Related samples 7

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000fee3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFEE3 5640 bytes
SHA-256: ae867eec38d3a00656db7f46c84531143cb2bbaf9eafc2f89f9b11684278fe18
font_01_sfnt_off000111f5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x111F5 63924 bytes
SHA-256: f4e0147ea42c218acdbc24024b42d82c658938fd829da795f1a3ae9572f3788b
font_02_sfnt_off00018911.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x18911 9684 bytes
SHA-256: 1dfdb57ac9280c79b8a77acf993b81e3788a4863b8b9e1aa86a29b6e71a8ec6f
font_03_sfnt_off0001aa1f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1AA1F 4324 bytes
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71

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