Malicious PDF — malware analysis report

Static analysis result for SHA-256 c2661fbac4ce0d77…

MALICIOUS

PDF

75.4 KB Created: 2021-03-12 02:08:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 4b19db2018af21df319931bad5e5ff1e SHA-1: 2e7052c2a18bdb0da7e6cdfd761fe4b8bce47c5e SHA-256: c2661fbac4ce0d773047c205f4326ff1f8d9f84665d44d494245f6a0ac59481e
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 0.9993

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://gimoguvi.ru/wix?keyword=piano+man+sheet+music+easy PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4453718/normal_5feca0cb495f7.pdfIn PDF document text
    • http://segovozeperi.22web.org/xinugipoxesitiso.pdfIn PDF document text
    • http://kevebofuru.medianewsonline.com/5331818971.pdfIn PDF document text
    • http://zazorin.scienceontheweb.net/74838751310.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4421042/normal_5ffd23d80b7d6.pdfIn PDF document text
    • http://tonemisi.medianewsonline.com/what_is_the_conditioned_response_in_little_albert.pdfIn PDF document text
    • http://bezovamakuru.22web.org/27605700922.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366040/normal_6018a7dbccca9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4448995/normal_5fd5fbb56919e.pdfIn PDF document text
    • http://kazaxukiga.getenjoyment.net/82523174796.pdfIn PDF document text
    • http://nokunejojepeje.22web.org/aneurisma_otak.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/gurafoga/60497612032.pdfIn PDF document text
    • https://s3.amazonaws.com/zolerazowubow/actuarial_bookstore_order_form.pdfIn PDF document text
    • https://s3.amazonaws.com/kabisebax/vodum.pdfIn PDF document text
    • https://s3.amazonaws.com/goviwigax/pasupexasenedemop.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ab646114-1816-4891-967d-e9ec9a5a52b2/41082219343.pdfIn PDF document text
    • https://s3.amazonaws.com/gofilafixu/57524561610.pdfIn PDF document text
    • https://s3.amazonaws.com/zobuwubedak/63803592647.pdfIn PDF document text
    • https://s3.amazonaws.com/rokuwapesu/tazuderexak.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c2c041c8-c9da-4c58-98b4-ef5476489672/kasikufojorum.pdfIn PDF document text
    • https://s3.amazonaws.com/jokotaziweluge/14502767657.pdfIn PDF document text
    • http://lulasiwafa.rf.gd/vipoxo.pdfIn PDF document text
    • http://matixonapoler.epizy.com/wallflower_planting_guide.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_off0000ebcf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEBCF 5016 bytes
SHA-256: 8dc6f81f8e1c4f04eead6540189edf1a8bc1b6b77dd5ed97929d536dae8d54d3
font_01_sfnt_off0000fcc5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFCC5 10412 bytes
SHA-256: 9e95bed9e1848b20538244fce4f4733ad31df8f6976637521a70d37f6c578cc3

Open this report in the interactive analyzer, or submit your own file for analysis.