Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ae3ff97483ad0c2…

MALICIOUS

PDF

69.1 KB Created: 2021-06-04 22:00:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-24
MD5: d70b9cec7fd477f0685366f6a3bd7b1f SHA-1: fcbef25e26780212a251f9071682a18232145b6e SHA-256: 1ae3ff97483ad0c21394b5a68ebd0a199aa7479182855257c2693bd755b9f314
124 Risk Score

Malware Insights

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

The PDF file contains embedded URLs and is flagged by multiple heuristics as malicious, including a ML classifier and ClamAV. The document body, though heavily obfuscated, suggests a lure related to 'radial symmetry animals definition' to direct the user to the external URL. The presence of external URIs and link farm characteristics indicates a phishing or redirection attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9951

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
  • 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
  • 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=radial+symmetry+animals+definition PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4451206/normal_5fe420a42c6f4.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4481161/normal_604effbf6ae5d.pdfIn PDF document text
    • https://static.s123-cdn-static-d.com/uploads/4476133/normal_60affdbfd1dd8.pdfIn PDF document text
    • https://kenibuxe.weebly.com/uploads/1/3/4/6/134688639/e9b61f.pdfIn PDF document text
    • https://tokoposejod.weebly.com/uploads/1/3/1/3/131380771/wibepofova.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368230/normal_605a92004f859.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4407756/normal_6014fe5849cd4.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4369781/normal_5ff68f041f2a3.pdfIn PDF document text
    • https://nixitemolepof.weebly.com/uploads/1/3/4/8/134870129/741783.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4494874/normal_600077e284ef4.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4417525/normal_5feeba2628337.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/15fa1a6d-5aed-4fb0-a5d4-4b3bd691b2ad/dusebawugej.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/52de0d2d-f4d2-4a6b-a08e-e66ba866ed7c/math_worksheets_for_grade_6_multiplication.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5f022495-6578-46cd-a31e-828161f42af5/harry_potter_quiz_which_character_are_you_pottermore.pdfIn PDF document text
    • http://pugaxigodaka.pbworks.com/w/file/fetch/144444399/hack_8_ball_pool_facebook_pc_coins_and_cash.pdfIn PDF document text
    • http://nusuwoxub.pbworks.com/f/58056010122.pdfIn PDF document text
    • http://wefolevemud.pbworks.com/f/jitawozolomafomolifa.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f2c1b861-fd7b-4e13-b357-4a22591dab07/frontline_commando_d_day_hack_ios_download.pdfIn PDF document text
    • http://kuperuxowix.pbworks.com/f/46508871834.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5c82d651-3a37-4fdd-ab31-76dac324c708/53191945272.pdfIn 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_off0000e4f0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE4F0 4952 bytes
SHA-256: 55daa5d7e92f437744e09a301414caaf47442614d3f3e9926900b9ff87873217
font_01_sfnt_off0000f5ae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF5AE 11228 bytes
SHA-256: b2d8dba1f4959e101479ee4617a0dc173ae1e6586ae9aff94d263033b24e93a9

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