Malicious PDF — malware analysis report

Static analysis result for SHA-256 f2e951d7d317990d…

MALICIOUS

PDF

63.8 KB Created: 2021-03-23 18:54:34 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3c0d032af5a2dd9ae0736462ce0c248a SHA-1: 96e5b2e8bf08d8d2038802ec51a90df788d65376 SHA-256: f2e951d7d317990d5db498be21ae26f1faf32b63ca65546b8134c304390ccc17
154 Risk Score

Malware Insights

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

The PDF file contains numerous external links, a technique often used in SEO link farms to distribute malicious content or phishing lures. The ClamAV detection and ML classifier strongly indicate maliciousness, with the PDF being identified as a phishing trojan. While no scripts were directly extracted, the presence of embedded URLs and the overall structure suggest an attempt to redirect users to malicious sites, likely for credential harvesting or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9753

Heuristics 4

  • 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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://golowaki.ru/award?keyword=graphic+design+portfolio+pdf+free+download
    • http://sluzhba1.net/can_i_watch_after_we_collidedp3gq5.pdf
    • http://org-fruit.space/music_player_audio_player_with_colorful_themesmjqml.pdf
    • https://miraxinarenipu.weebly.com/uploads/1/3/5/9/135963033/fudawetatote_pabukebufalex.pdf
    • http://gimepar.22web.org/fraction_operations_worksheet_word_problems.pdf
    • http://nakidki-alkantara.xyz/rasunegokejamulibette1m4.pdf
    • https://netokuwusava.weebly.com/uploads/1/3/4/3/134384506/weresoxuwisojas-jepoliviviro-venewubow-vopadaju.pdf
    • https://bobidowi.weebly.com/uploads/1/3/2/7/132740787/zinigekemigomejitef.pdf
    • https://joletumutete.weebly.com/uploads/1/3/4/8/134871701/3027156.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/9f4b8c01-49f8-4ed7-ab62-acdc9a150241/fighter_gunslinger_5e_guide.pdf
    • https://uploads.strikinglycdn.com/files/30a240ba-ddae-4c8f-9d07-712eb76a0218/87672294657.pdf
    • http://ferodokibaw.epizy.com/56068819639.pdf
    • https://uploads.strikinglycdn.com/files/9018131d-0c2f-4d91-8f9a-7606a6f3092a/how_to_oral_presentation_ideas.pdf
    • https://uploads.strikinglycdn.com/files/3197c45f-b4a2-47e3-934c-a87b41a2197f/11819476253.pdf
    • http://vobonosad.rf.gd/23197766769.pdf
    • http://vawekofivujig.epizy.com/larunelesi.pdf
    • http://kobinegugagikag.epizy.com/lopi_wood_stoves_manual.pdf
    • https://uploads.strikinglycdn.com/files/dfadf6c5-2e71-4876-917b-5e6f608c6f69/materia_y_energa_ejemplos.pdf
    • http://jifagul.rf.gd/coway_ap-1512hh_mighty_air_purifier_with_true_hepa_and_eco_mode_target.pdf
    • http://wokixewo.epizy.com/51212905619.pdf
    • http://xexewul.epizy.com/because_beatles_score.pdf
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e6ea.bin
acec2268b89536f17a0dcf8cadb1843f12f35b27acab92634fc320649197705b		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE6EA 5540 bytes

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