Malicious PDF — malware analysis report

Static analysis result for SHA-256 2cc220eb9f77986b…

MALICIOUS

PDF

75.5 KB Created: 2021-01-21 03:11:25 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-07
MD5: 34b476fd72239397e02064d53b082e2b SHA-1: c89795727f5d978f2b0ba7ff66abafca171a1980 SHA-256: 2cc220eb9f77986b2ac021403fa32921ce939f34d8ea23bf1d42ecb8b335e92e
134 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript T1203 Exploitation for Client Execution

This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external links, many hosted on disposable domains, suggesting a link farm or phishing operation. The presence of a 'download button' heuristic further supports a lure-based attack pattern. While no scripts were explicitly extracted, the overall structure and heuristics point towards a malicious document designed to trick users into downloading further payloads or visiting phishing sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://traffking.ru/123?utm_term=vex+iq+squared+away PDF link annotation
    • https://tidosivapozagul.weebly.com/uploads/1/3/4/3/134390518/posapu-xonabevopa-xizubiva.pdfIn PDF document text
    • https://nokajadum.weebly.com/uploads/1/3/4/8/134887388/d1860f4f4de.pdfIn PDF document text
    • https://cdn.sqhk.co/zatugudaxaji/jjBghWf/police_officers_shot_sitting_in_car.pdfIn PDF document text
    • https://site-1247327.mozfiles.com/files/1247327/borderlands_2_assassin_skill_guide.pdfIn PDF document text
    • https://site-1176001.mozfiles.com/files/1176001/zatavusitufejugesej.pdfIn PDF document text
    • https://duxataravur.weebly.com/uploads/1/3/4/0/134017775/858a473108.pdfIn PDF document text
    • https://site-1175041.mozfiles.com/files/1175041/reading_test_2_ambergris_answers.pdfIn PDF document text
    • https://xakewalite.weebly.com/uploads/1/3/4/8/134882175/rewupujofuso_somod.pdfIn PDF document text
    • https://vutajavegev.weebly.com/uploads/1/3/4/0/134040502/xowotiwuzutel-vixodoful-batemafiwu-xigugegikiwad.pdfIn PDF document text
    • https://site-1168029.mozfiles.com/files/1168029/riddles_with_answers_hard.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://wirizobesopo.epizy.com/vicks_warm_mist_humidifier_v750_manual.pdfIn PDF document text
    • http://minofadejewezup.rf.gd/internet_radio_player_android.pdfIn PDF document text
    • http://bevevekafoli.epizy.com/new_worship_songs_2018.pdfIn PDF document text
    • http://jawegoxizifiti.epizy.com/bakemolib.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_off0000e804.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE804 5140 bytes
SHA-256: 189e9749f357d7c02da5be505873d412c7351ac9f88c43960a2062484536719f
font_01_sfnt_off0000f9ab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF9AB 11532 bytes
SHA-256: 6e86dc0634125dd07c26248a9ccdafb73a39f91bde411319ae4b95a416e6f7c4

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