Malicious PDF — malware analysis report

Static analysis result for SHA-256 195f6cccb3fb6aab…

MALICIOUS

PDF

71.6 KB Created: 2021-03-01 21:17:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: ca52cbe1e62bf704a9281c425774c3c4 SHA-1: 7a14de40311102edf99c8abeb8f810501d91ec11 SHA-256: 195f6cccb3fb6aab795cf158ae169224f96000c8d3112931ea7fbd65adb0714a
124 Risk Score

Malware Insights

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

The PDF contains numerous embedded URLs, many pointing to disposable hosting, and is flagged by ML classifiers and ClamAV as malicious. The document body, though heavily obfuscated, suggests a review context, likely a lure to direct users to malicious sites. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a link farm strategy, common in phishing campaigns.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9277

Heuristics 4

  • 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 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://crophysi.ru/aws?utm_term=the+hidden+messages+in+water+review PDF link annotation
    • http://zebatufiduku.22web.org/tc_helicon_mic_mechanic_2_for_sale.pdfIn PDF document text
    • https://buzoxebujodi.weebly.com/uploads/1/3/5/9/135971705/xorijekiguzaj-dutageja-zepupezorajop.pdfIn PDF document text
    • http://xamurewezoviw.iblogger.org/tv_online_malaysia_free.pdfIn PDF document text
    • http://hotita.space/73737684217c8c46.pdfIn PDF document text
    • http://badgesverified.com/fnma_cash_out_refi_guidelinesccwxd.pdfIn PDF document text
    • http://kungfumalibu.com/13341926051wtcbe.pdfIn PDF document text
    • https://bagirarivevi.weebly.com/uploads/1/3/1/3/131384609/xudajufixa-dalugevunufiko.pdfIn PDF document text
    • https://gubijebe.weebly.com/uploads/1/3/1/4/131483267/wetuso.pdfIn PDF document text
    • http://ygrash.website/cessna_337_super_skymaster_service_manualgodsw.pdfIn PDF document text
    • http://garant-ritual.online/219895011066jtu6.pdfIn PDF document text
    • http://drnextact.xyz/sc_dmv_formsoigbg.pdfIn PDF document text
    • http://jexemukanofefoj.iblogger.org/java_string_format_list_example.pdfIn PDF document text
    • http://myimperfectmomlife.com/6445212311245532.pdfIn PDF document text
    • https://guvolobojifo.weebly.com/uploads/1/3/4/7/134733869/c90a92a21f57.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/jovekus/96885477683.pdfIn PDF document text
    • http://logoroxesum.epizy.com/abinaya_tamil_video_song.pdfIn PDF document text
    • http://sevuvev.epizy.com/handlebar_moustache_trimming_guide.pdfIn PDF document text
    • http://fugewep.rf.gd/battlestar_galactica_season_1_english_subtitles.pdfIn PDF document text
    • http://filivuso.rf.gd/rujikomefoxebib.pdfIn PDF document text
    • https://s3.amazonaws.com/sejakopa/dilikebagijegi.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_off0000eee9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEEE9 5308 bytes
SHA-256: 0da20566fd56b98babf420f3859b879a5c390a010eb8c4bcd137f44307e7a5ca
font_01_sfnt_off000100d3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x100D3 1800 bytes
SHA-256: daad3f347a4f42f432ee9983e619a7c063e36761dba5934b469418034847e28e

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