Malicious PDF — malware analysis report

Static analysis result for SHA-256 60aee32725b8ff28…

MALICIOUS

PDF

71.1 KB Created: 2021-06-08 16:49:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: d2a5cf48a6e54e075f18b4a2e5c2afe3 SHA-1: 6d51950851910f4d04710d62f08e1e86602059f8 SHA-256: 60aee32725b8ff2891b4bd8324f828692cb83067d4d4dbf1dfb1fcc019aa8ca6
186 Risk Score

Malware Insights

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

This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to redirect users to malicious content. The embedded URL 'https://garglob.ru/pbw?utm_term=emulator+for+pokemon+sun+and+moon' appears to be a lure, attempting to trick users into clicking through to potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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.
  • 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://garglob.ru/pbw?utm_term=emulator+for+pokemon+sun+and+moon
    • https://novedoxax.weebly.com/uploads/1/3/4/5/134512377/jatipowotepubol_putifa_panul.pdf
    • https://cdn-cms.f-static.net/uploads/4387814/normal_602c193ee18eb.pdf
    • https://cdn-cms.f-static.net/uploads/4381320/normal_605d75185fa75.pdf
    • https://womepibenim.weebly.com/uploads/1/3/4/0/134040947/xudubegovetojemel.pdf
    • https://static.s123-cdn-static.com/uploads/4470016/normal_6007a373b1395.pdf
    • https://cdn-cms.f-static.net/uploads/4411922/normal_60270e37852e2.pdf
    • https://pifeposanitu.weebly.com/uploads/1/3/4/7/134753567/lezigebekesojur.pdf
    • https://rosuxemu.weebly.com/uploads/1/3/0/7/130776582/winadopik.pdf
    • https://webupusew.weebly.com/uploads/1/3/5/3/135344455/sagorukagosojegafaso.pdf
    • https://fanejutasoja.weebly.com/uploads/1/3/5/3/135399707/tesoxabudosodov-zixepedi-gosof.pdf
    • https://nifixivenugoku.weebly.com/uploads/1/3/1/8/131856212/nekexar-fopedi-zugar-zekopatopefom.pdf
    • https://mabexerezigija.weebly.com/uploads/1/3/5/3/135324341/wazewimebim_kujemixep.pdf
    • https://static.s123-cdn-static.com/uploads/4410027/normal_5fe21b0714bc4.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://palixazoke.pbworks.com/w/file/fetch/144571689/vsdc_video_editor_freeze_frame.pdf
    • http://buxozobodu.pbworks.com/f/23754137537.pdf
    • https://uploads.strikinglycdn.com/files/49995c62-9bb5-40ad-989e-3616e9916100/55256882895.pdf
    • https://uploads.strikinglycdn.com/files/f13c6bc0-af09-4dee-aa18-3f9fb06be065/what_are_adaptive_and_maladaptive_behaviors.pdf
    • http://girirabujud.pbworks.com/f/strength_based_approach_in_therapy.pdf
    • https://uploads.strikinglycdn.com/files/ee0b8559-6578-479f-b888-99da7c4c7097/bariwumob.pdf
    • https://uploads.strikinglycdn.com/files/47c88e83-1d29-49cf-98e8-9dbdc4641792/zewepokovubagabovakemole.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d8ba.bin
6620582b85664aed5f67f9cdbf5e127d8f57bf65f8d7e440eae86fa40dc55255		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD8BA 5208 bytes
font_01_sfnt_off0000ea5a.bin
1265019785d74ef01c59f3d519bc5521abe346817665eddd9d3ddd328ec6ecbc		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEA5A 10728 bytes

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