Malicious PDF — malware analysis report

Static analysis result for SHA-256 dcc15bc01d46a911…

MALICIOUS

PDF

109.0 KB Created: 2021-03-17 04:27:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-17
MD5: 9e509c0f341da8df17bf8f6c9a48bf01 SHA-1: b6d456cc3c6f3a9c92bd9b996f331351af7d5547 SHA-256: dcc15bc01d46a91163d3ad48333243584cbb878f2c5a6382720f0804837e39b5
154 Risk Score

Malware Insights

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

This PDF file contains a link to a known malicious redirector, indicating an attempt to phish or deliver malware. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded URL, 'https://dafemum.ru/wix?keyword=stellaris+trade+routes+not+working', is likely part of a phishing lure, aiming to trick users into clicking through to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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://dafemum.ru/wix?keyword=stellaris+trade+routes+not+working In PDF document text
    • https://static.s123-cdn-static.com/uploads/4407729/normal_5fcdb4833b6e8.pdfIn PDF document text
    • http://lujotagefizoga.iblogger.org/kilojezag.pdfIn PDF document text
    • http://vixemifojetinag.sportsontheweb.net/papuxurekirugojupuxeli.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4393035/normal_6012785826544.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4401985/normal_5fe1eb6bd05fd.pdfIn PDF document text
    • http://lisifakus.66ghz.com/mathematics_for_economics_hoy_3rd_edition.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4462339/normal_604cd96f31694.pdfIn PDF document text
    • http://pebifakonek.sportsontheweb.net/lekaloramoli.pdfIn PDF document text
    • http://nesobaka7.xyz/cydia_for_ios_11._4_freecjr3a.pdfIn PDF document text
    • http://damomemisogadex.iblogger.org/gulera.pdfIn PDF document text
    • http://fishing-rods2.club/kuradobafegirivopajemopem5xl60.pdfIn PDF document text
    • http://gadetebes.sportsontheweb.net/the_heart_of_betrayal_wiki.pdfIn PDF document text
    • http://yoptan.space/toddler_poncho_patterne3m7g.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4409250/normal_5ff2149960bc3.pdfIn PDF document text
    • http://zakilifawurafed.22web.org/why_is_my_evod_battery_blinking_3_times.pdfIn PDF document text
    • http://psychologyrelax.xyz/wiwexab3eq5s.pdfIn PDF document text
    • http://4bochki.ru/84354499881fkdnj.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/setikizo/3d_animation_software_free_download_for_windows.pdfIn PDF document text
    • https://s3.amazonaws.com/wovugi/how_to_change_2011_chevy_equinox_battery.pdfIn PDF document text
    • https://s3.amazonaws.com/banula/whatsapp_free_samsung_mobile.pdfIn PDF document text
    • https://s3.amazonaws.com/pogolo/code_compare_for_mac.pdfIn PDF document text
    • https://s3.amazonaws.com/sisaxu/werijifexojevudixisoze.pdfIn PDF document text
    • https://s3.amazonaws.com/dejazuvorira/hayabusa_mlbb_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/pipaneku/format_32gb_sd_card_allocation_unit_size.pdfIn PDF document text
    • https://s3.amazonaws.com/mejigavukolu/g_shock_5255_ga_150_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_off00016ce6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x16CE6 5252 bytes
SHA-256: a172afa7022c961e036fb4efb8c82764e2f81f6e0358a03d73e60a62c3d33676
font_01_sfnt_off00017ee5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x17EE5 11004 bytes
SHA-256: 7a8370fe008db8cab6700b31c7d323d6a5a2ca79af7427d35d6e63c66971c8c3

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