Malicious PDF — malware analysis report

Static analysis result for SHA-256 b2cc530f4f161f45…

MALICIOUS

PDF

69.3 KB Created: 2021-02-24 15:40:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: 657a43ab02a1ecc227d6094202ddca7d SHA-1: 21fa49f7988e4500700e3a5f5fcdb58d3e589567 SHA-256: b2cc530f4f161f45f448eee2efeda68f6697c1f9f4b011b38a09060850abb96b
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

Heuristics 5

  • 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
  • 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://seumenha.ru/award?keyword=rival+20+quart+programmable+roaster+oven+directions PDF link annotation
    • https://cdn.sqhk.co/gunonutib/eqAEjhp/76704858482.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4471960/normal_5ff2d5214d953.pdfIn PDF document text
    • http://gefosezidubajoz.scienceontheweb.net/riwafifulokewijiguzegusa.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4421040/normal_5fd1646996998.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4471252/normal_5fe54f2fc6183.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4466165/normal_60280ba39e348.pdfIn PDF document text
    • http://pakirekugep.scienceontheweb.net/terry_pratchett_wyrd_sisters_movie.pdfIn PDF document text
    • https://cdn.sqhk.co/wepugozotap/b3jdigE/ritalajufuzopuf.pdfIn PDF document text
    • https://cdn.sqhk.co/nuzifixe/bjgfYM4/smash_bros_ultimate_characters_wont_unlock.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4499283/normal_6027f2a9a9293.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4459321/normal_5fcfae690b7a2.pdfIn PDF document text
    • https://cdn.sqhk.co/forinabam/hicVLic/70484714097.pdfIn PDF document text
    • https://cdn.sqhk.co/raxinosi/hiDtkxx/octopus_garden_smoke_shop.pdfIn PDF document text
    • https://cdn.sqhk.co/gemadaruvow/gjeiaij/how_to_make_knife_sheath_out_of_paracord.pdfIn PDF document text
    • https://cdn.sqhk.co/rujiwujik/hihbx5u/rev_heads_rally_mod_apk_download.pdfIn PDF document text
    • https://cdn.sqhk.co/leredupodeka/cgggj7A/gun_shot_sound_download_zedge.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
    • http://ribezewipuzez.epizy.com/denon_avr-x1000_bluetooth_adapter.pdfIn PDF document text
    • http://wezimixororara.rf.gd/north_carolinian_informally_crossword_clue.pdfIn PDF document text
    • http://megutid.epizy.com/blackened_crossword_answer.pdfIn PDF document text
    • http://nejimafalun.onlinewebshop.net/97204195100.pdfIn PDF document text
    • http://xuvekixofeku.onlinewebshop.net/20518585349.pdfIn PDF document text
    • http://bedekopezedegej.rf.gd/cat_voice_song_video.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_off0000c23c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC23C 5880 bytes
SHA-256: f6f148fe271e205697729e22fa88497797b4c95f2d1c68dd62e24c46ecd9e949
font_01_sfnt_off0000d616.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD616 10340 bytes
SHA-256: e728d0600226e0a416fb59ffde75a358ec3c893ad74d29f9d3370e4b36a22baf
font_02_sfnt_off0000f928.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF928 4324 bytes
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e

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