Malicious PDF — malware analysis report

Static analysis result for SHA-256 802e26da1590ebb9…

MALICIOUS

PDF

77.3 KB Created: 2021-06-01 04:06:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-07
MD5: 99b1c0f960bbbcedd31ad27e8bd19245 SHA-1: ba4e478369269627034808d09dc2fc9927cb02fc SHA-256: 802e26da1590ebb9a1211c76384ab1de2f097ce094beabb9bdc7f7e83658d8f6
186 Risk Score

Malware Insights

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

This PDF file contains a large number of external links, many hosted on disposable domains, designed to redirect users to potentially malicious content. The 'technic launcher cracked download 2020' text suggests a lure for software piracy, which is a common phishing tactic. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9952

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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.
  • 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://catamma.ru/pbw?utm_term=technic+launcher+cracked+download+2020 PDF link annotation
    • https://fitadidexedas.weebly.com/uploads/1/3/5/9/135977916/rijak-dasoruvogamude-jepavuxawukolu.pdfIn PDF document text
    • https://rakuwogu.weebly.com/uploads/1/3/4/8/134858672/maxuvixuwelew.pdfIn PDF document text
    • https://gosizunasinati.weebly.com/uploads/1/3/0/7/130739879/wuwivafazo_roxefozufawe_dixino.pdfIn PDF document text
    • https://vowuzuvave.weebly.com/uploads/1/3/4/8/134884034/2719056.pdfIn PDF document text
    • https://lemirupuzomive.weebly.com/uploads/1/3/2/8/132814022/ce5b2a278b918f.pdfIn PDF document text
    • https://lufukosiresefo.weebly.com/uploads/1/3/4/7/134707539/givexufasoxega.pdfIn PDF document text
    • https://rigavimiba.weebly.com/uploads/1/3/0/8/130814992/duvalu.pdfIn PDF document text
    • https://wurulukonena.weebly.com/uploads/1/3/5/3/135398735/saxufonawip-ligixa-manawobozamojev.pdfIn PDF document text
    • https://xiliwawegumokap.weebly.com/uploads/1/3/4/0/134096460/lagud_wivapodibomo_fonumumisabitox.pdfIn PDF document text
    • https://revibafejinaj.weebly.com/uploads/1/3/4/4/134485322/gifez_segejebijapufed_zojosefejak_zunosedik.pdfIn PDF document text
    • https://sodamosubiduv.weebly.com/uploads/1/3/4/0/134012739/parepujamiruraxu.pdfIn PDF document text
    • https://rofibefis.weebly.com/uploads/1/3/4/1/134131293/lusenalinex-fafedava-foxadusi.pdfIn PDF document text
    • https://daxogane.weebly.com/uploads/1/3/2/8/132815110/7cf283ac11.pdfIn PDF document text
    • https://majejuwusi.weebly.com/uploads/1/3/2/3/132303270/jujubudafitimin_rezoxinuvom_tasapuze.pdfIn PDF document text
    • https://ferodamogeko.weebly.com/uploads/1/3/5/3/135330017/251cacdf54bff92.pdfIn PDF document text
    • https://topagolidokade.weebly.com/uploads/1/3/4/5/134502990/27f996.pdfIn PDF document text
    • https://metozalolak.weebly.com/uploads/1/3/4/6/134610510/tunosol.pdfIn PDF document text
    • https://pezibufanijazox.weebly.com/uploads/1/3/4/6/134639202/tutizoledelu.pdfIn PDF document text
    • https://xuratofojiwob.weebly.com/uploads/1/3/4/0/134096374/ad21e23c8239349.pdfIn PDF document text
    • https://ziwevanefenej.weebly.com/uploads/1/3/4/5/134591483/235f0d5883.pdfIn PDF document text
    • https://puvedevedumu.weebly.com/uploads/1/3/1/4/131406841/9222645.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/40bbec33-0728-486b-adce-7a76588af00c/campark_digital_trail_camera_t45a.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/91385081-4984-4096-8a65-fc279cb457c1/35996505484.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/22e96e27-46e0-4e86-9898-5807a38eb7ab/honda_hr215_transmission_parts.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1290ae8e-8041-46b2-9834-c512a25491af/57900475351.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/35d6f7c6-cba0-420c-bfda-646ae5b9123f/43875608249.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e4df.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE4DF 5228 bytes
SHA-256: 4f102bc4fbc0f1cea8bfdd1f231adfe950a0ec6e996cca9531a973a8024478d8
font_01_sfnt_off0000f6a7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF6A7 1800 bytes
SHA-256: daad3f347a4f42f432ee9983e619a7c063e36761dba5934b469418034847e28e
font_02_sfnt_off0000ff35.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFF35 11800 bytes
SHA-256: c8516ed2cca3fc15c31cfaafdce4eca7c349e3e56c4284d94864114a818f60ce

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