Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0f66ad29d23a157…

MALICIOUS

PDF

85.8 KB Created: 2021-03-10 04:42:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 0ac12c4a652e1f938287858a9d108a93 SHA-1: 5baa15c642cdc9fc00c53cbe5f6accdf28916049 SHA-256: e0f66ad29d23a15739695b15bee83bc13276c04d113e7e95ac482bcba5614a1b
126 Risk Score

Malware Insights

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

The PDF contains numerous links to external websites, many of which are hosted on disposable domains and appear to be part of a link farm. The primary URL, 'https://fokemale.ru/wix?keyword=photoshop+mac+crack+ita', suggests a lure related to software cracks. ClamAV and ML classifiers also flagged this PDF as malicious, indicating a high likelihood of phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

Heuristics 5

  • 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
  • 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://fokemale.ru/wix?keyword=photoshop+mac+crack+ita PDF link annotation
    • http://meriline.store/79657770940mwsp6.pdfIn PDF document text
    • http://bahis-sikayet.com/char-broil_performance_45_000_btu_gas_grill_with_side_burner014wh.pdfIn PDF document text
    • https://cdn.sqhk.co/betarudigi/hgigKhc/samsung_music_share_playlist.pdfIn PDF document text
    • http://filanion.online/750085831507ho0l.pdfIn PDF document text
    • http://psychologyrelax.xyz/zuziropboj3y.pdfIn PDF document text
    • http://beautysale.site/romeo_and_juliet_summary_act_1_scene_4tui2p.pdfIn PDF document text
    • https://metifipiwe.weebly.com/uploads/1/3/1/1/131164131/6daf3248.pdfIn PDF document text
    • https://renikafajuwigag.weebly.com/uploads/1/3/4/3/134317319/kojesa-nupapijibozope-puwazilapugubo.pdfIn PDF document text
    • https://cdn.sqhk.co/kujusiru/hJc1jcx/sonic_the_hedgehog_classic_download_apk.pdfIn PDF document text
    • https://kakagigaj.weebly.com/uploads/1/3/4/6/134684555/1660847.pdfIn PDF document text
    • https://cdn.sqhk.co/ruwonumatag/wPhizjj/arrow_going_left_and_right.pdfIn PDF document text
    • http://garant-ritual.online/904942682gguwf.pdfIn PDF document text
    • http://premiumpornclips.com/ps_i_still_love_you_release_date_philippinesb1ycu.pdfIn PDF document text
    • https://cdn.sqhk.co/farukisinu/qjhGrjf/blind_man_s_bluff_card_game_rules.pdfIn PDF document text
    • https://cdn.sqhk.co/fovipobex/cM1uQvq/53556023323.pdfIn PDF document text
    • https://sesuzefodapu.weebly.com/uploads/1/3/2/8/132815176/tarela.pdfIn PDF document text
    • http://sdl-trade.com/75116657116b2iwh.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://0cac8d86-6e1f-48af-a655-32821961a13f.filesusr.com/ugd/7dd30d_923db38e54e847c9adfb2652eb7d3e99.pdf?index=trueIn PDF document text
    • https://2d130471-2a64-48ba-87cf-8f1e86c6acad.filesusr.com/ugd/9c43ec_6967ff1767454e5988c2a6650ecd0352.pdf?index=trueIn PDF document text
    • https://3ee1623e-c6a6-4884-b844-d920f34f289e.filesusr.com/ugd/237bf7_30de31777bf64c0f8df0e49b88fe9b7b.pdf?index=trueIn PDF document text
    • http://naxesabefadufu.atwebpages.com/battery_tender_junior_800ma.pdfIn PDF document text
    • http://zorikeroz.onlinewebshop.net/is_there_a_ps2_emulator_for_psp.pdfIn PDF document text
    • https://920f4c01-5fd6-4c40-8b27-b99972fecb60.filesusr.com/ugd/d63aaf_67da2334c7d048498cfacc5d22c5eb15.pdf?index=trueIn 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_off0001053e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1053E 4772 bytes
SHA-256: ccb98d88d27bf2980b3f226e92cee9309e2ec55b36b47513edba8d34f371838d
font_01_sfnt_off0001155d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1155D 11280 bytes
SHA-256: 653d8ab0483df0d46d6c9d8c7e5546fa11d9fb3835dbc409689f16faceecc167
font_02_sfnt_off00013bfe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13BFE 4324 bytes
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2