Malicious PDF — malware analysis report

Static analysis result for SHA-256 a39d09ed830642d4…

MALICIOUS

PDF

77.0 KB Created: 2021-03-17 19:56:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: ea56896e83054fe39bf0edd9d46ebfd1 SHA-1: 83ee9a5608c67f09af0a8aa5d46d1ab92fe2f8e4 SHA-256: a39d09ed830642d4901946585a5ddd05ac10a497476fcaf129cb1676ae86b99a
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF file contains a lure related to 'how to become a good pastor's wife' and embeds a URL pointing to a suspicious domain. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. No scripts were extracted, but the embedded URI is the primary indicator of compromise.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://xezojetit.ru/strik?utm_term=how+to+become+a+good+pastor%2527s+wife PDF link annotation
    • https://cdn.sqhk.co/jumupebuvi/jidjcid/zero_gravity_chair_pics.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4475564/normal_5fd63d7e00ad9.pdfIn PDF document text
    • http://fowuwoxex.iblogger.org/8532216125.pdfIn PDF document text
    • http://jotetimaral.22web.org/gonajupepilu.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4405194/normal_5fe0991bd550b.pdfIn PDF document text
    • https://cdn.sqhk.co/jimavidozeze/jrifkjc/koneboni.pdfIn PDF document text
    • http://tadukesavexufe.22web.org/continuous_improvement_implementation_plan_template.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4419650/normal_6024a2ed0c7dd.pdfIn PDF document text
    • https://cdn.sqhk.co/lilaxikixo/ByJjjie/homemade_burger_bun_recipe_uk.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/selivuvumepaveb/slackware_live_dvd.pdfIn PDF document text
    • https://s3.amazonaws.com/wizitifowubux/pimujabesuxujevat.pdfIn PDF document text
    • https://s3.amazonaws.com/bodajaku/mojejuk.pdfIn PDF document text
    • https://s3.amazonaws.com/bezegoluzose/212953493.pdfIn PDF document text
    • http://meladuk.rf.gd/binixatevilode.pdfIn PDF document text
    • https://s3.amazonaws.com/bidemewufa/43885314092.pdfIn PDF document text
    • https://s3.amazonaws.com/baxadelefofibuz/cydia_tweak_percentage.pdfIn PDF document text
    • http://kololujes.rf.gd/maloxitimeg.pdfIn PDF document text
    • http://fegujepopofesa.epizy.com/applications_of_environmental_biotechnology.pdfIn PDF document text
    • https://s3.amazonaws.com/palevijuj/waterproof_sheets_for_bed_wetting.pdfIn PDF document text
    • https://s3.amazonaws.com/lorifumofelu/24407985589.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

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ef9f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF9F 5672 bytes
SHA-256: da2ced95149eac3a2c9372fda9eb4e5739328d10244cb0c0cced12f2a7febfdc
font_01_sfnt_off000102e2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x102E2 10472 bytes
SHA-256: dcc784fb8b8b84166e34c78549799e4e54b7273fe442294e7bb5bc098b9d6440

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