Malicious PDF — malware analysis report

Static analysis result for SHA-256 ba5350028e04263f…

MALICIOUS

PDF

88.6 KB Created: 2021-03-25 08:55:21 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 4f45fbaede96b82734a05c78cdc00886 SHA-1: 54412862cc3f6ffd71ddd16b0e68bee2f9f03f1c SHA-256: ba5350028e04263f54434c0e98dbdd5b2a64e4bf2d5ed63be1f6ba42955339f7
94 Risk Score

Malware Insights

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

This PDF document was flagged as malicious by ClamAV. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3408

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://bologen.ru/strik?utm_term=ge+universal+remote+codes+for+magnavox+dvd+player PDF link annotation
    • http://nubolutlion.xyz/8532041095458qxy.pdfIn PDF document text
    • http://jumbochecker.com/14028075349f9gdr.pdfIn PDF document text
    • http://evromotors.net/fifty_shades_freed_movie_download_in_hindi_480p_filmyzilla5rjbh.pdfIn PDF document text
    • http://natgood.space/bdd_story_templateb37ky.pdfIn PDF document text
    • http://kayikciakademi.com/11865319348ae39w.pdfIn PDF document text
    • https://cdn.sqhk.co/gevajoke/hfrgwxY/wininogun.pdfIn PDF document text
    • http://freshmind.net/90384240890lv8kc.pdfIn PDF document text
    • http://viriruxik.22web.org/que_significa_liderar_en_administracion.pdfIn PDF document text
    • http://luminar3-download.xyz/4053031543k4xf8.pdfIn PDF document text
    • http://hugertely.xyz/aventail_ssl_vpn_clientzibzo.pdfIn PDF document text
    • https://cdn.sqhk.co/tifobebe/gf6yhjH/winter_warmer_harpoon.pdfIn PDF document text
    • https://cdn.sqhk.co/webepinovet/b9AYVih/businessman_audio_songs_free.pdfIn PDF document text
    • http://penarakagadek.22web.org/how_to_teach_prepositions_esl_adults.pdfIn PDF document text
    • http://hydrofthol.space/nofozutnjqc.pdfIn PDF document text
    • https://cdn.sqhk.co/vuzowadijavu/ghicjjd/best_pocket_knife_with_glass_breaker.pdfIn PDF document text
    • http://thestablestl.com/35545622426h48r1.pdfIn PDF document text
    • https://cdn.sqhk.co/riwaxagi/zzdicgM/mysterious_maze_osrs.pdfIn PDF document text
    • http://lnstagram-help-businesss.com/is_there_a_godfather_2_bookie03h.pdfIn PDF document text
    • http://igbusinessabouthelp.com/american_authors_after_1865p1tl1.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/bofake/kozobazekaru.pdfIn PDF document text
    • https://s3.amazonaws.com/dovulavavo/dell_precision_t7500_price_in_pakistan.pdfIn PDF document text
    • http://rizibapuzaduxe.epizy.com/29166326829.pdfIn PDF document text
    • https://s3.amazonaws.com/fefurorobumi/tata_sky_tv_app_for_pc.pdfIn PDF document text
    • http://moxowofabijis.epizy.com/65951742832.pdfIn 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_off00011e3c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11E3C 5620 bytes
SHA-256: 9e845daf427aca755011b0e47d6c5474f56a12a477936d0608c41b671dbf1b53
font_01_sfnt_off00013152.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13152 11196 bytes
SHA-256: 386f2cef1d925c1478749a3735a49d0eedd587769e80afca7c37762c07ef2857
font_02_sfnt_off00015714.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15714 4324 bytes
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e

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