Malicious PDF — malware analysis report

Static analysis result for SHA-256 34e886bfe4cb0de3…

MALICIOUS

PDF

78.8 KB Created: 2021-02-17 19:39:36 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-08-20
MD5: 75ee26c5399012ff54bce623055cf21d SHA-1: 50bbfca7e8af671ba9c3158bd4c82da1deb62198 SHA-256: 34e886bfe4cb0de39960134c32108105966178a72105af1afd392e7c77371d70
136 Risk Score

Malware Insights

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

The PDF file contains a lure referencing a 'convertible travel system' and a high-confidence heuristic indicates it's a phishing attempt using an SEO redirector. The embedded URL leads to a suspicious domain, likely serving a malicious payload or phishing page. While no scripts were explicitly extracted, the PDF structure and heuristics strongly suggest malicious intent, likely related to phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://jottigo.ru/wix?keyword=urbini+omni+plus+convertible+travel+system PDF link annotation
    • 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://s3.amazonaws.com/gofilafixu/fidawulijupewisijaz.pdfIn PDF document text
    • https://s3.amazonaws.com/vavebufevodutob/argument_paper_on_school_uniforms.pdfIn PDF document text
    • https://s3.amazonaws.com/kuxuxemu/latest_update_google_play_services_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/mexavofezoxi/paypal_contact_information_us.pdfIn PDF document text
    • http://lugumew.epizy.com/tisunofaxusug.pdfIn PDF document text
    • https://s3.amazonaws.com/zidenigad/965187418.pdfIn PDF document text
    • https://s3.amazonaws.com/xarojapi/9941759076.pdfIn PDF document text
    • https://s3.amazonaws.com/pujirageg/browning_montana_newspaper_glacier_reporter.pdfIn PDF document text
    • https://s3.amazonaws.com/zoromexemuzid/weather_forecast_news_report_philippines.pdfIn PDF document text
    • https://s3.amazonaws.com/wizidimawag/reasonable_accommodation_form_hud.pdfIn PDF document text
    • https://s3.amazonaws.com/lorerexeg/xuwugotig.pdfIn PDF document text
    • https://s3.amazonaws.com/mijumomub/chandramukhi_tamil_songs_starmusiq.pdfIn PDF document text
    • https://s3.amazonaws.com/peveziwoguxuzam/gta_cheat_codes_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/lofese/business_field_trip_report_sample.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 7

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

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ebd0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEBD0 5252 bytes
SHA-256: 16092875630c2749d5f0006c0adb52df40e903683c7232b57cb71993299aa9dc
font_01_sfnt_off0000fd91.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFD91 10052 bytes
SHA-256: 82d566604e421ecba35603ca33beaa85636ec6565446a10dd5385bf73ba17a91
font_02_sfnt_off00011ff6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11FF6 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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