Malicious PDF — malware analysis report

Static analysis result for SHA-256 ff0cb48ae73876dd…

MALICIOUS

PDF

73.2 KB Created: 2021-05-10 21:29:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 916a82f873496f53a1edbff1c7760733 SHA-1: 0bdba69d20a8a461b66e9b52cc214c823083c3f7 SHA-256: ff0cb48ae73876ddb6c12efbeb05ca33ba5d2af37e61d9c8da6a797f67131958
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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
  • 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/strik?utm_term=how+do+i+cook+sweet+potatoes+in+a+pressure+cooker PDF link annotation
    • https://cdn.sqhk.co/wapevenupu/vgjjiji/48974251184.pdfIn PDF document text
    • https://cdn.sqhk.co/rotusorukazi/hiiWvhe/android_studio_proxy_socks5.pdfIn PDF document text
    • https://cdn.sqhk.co/neguvobipa/gj74upk/bangla_full_movie_free_2018.pdfIn PDF document text
    • http://fofiwafajelerax.sportsontheweb.net/hp_2530_48g_poe_switch_j9772a.pdfIn PDF document text
    • http://metoxegid.mygamesonline.org/bumodanimuvivupemajofafu.pdfIn PDF document text
    • https://cdn.sqhk.co/kebabefepu/oJciajd/redijenipakewatim.pdfIn PDF document text
    • http://lixodamevurobar.mygamesonline.org/nunafawufarerajojot.pdfIn PDF document text
    • https://cdn.sqhk.co/fivodewile/gcDhi4y/best_clash_royale_decks_arena_13.pdfIn PDF document text
    • http://nibakelenixezas.getenjoyment.net/sociolinguistics_summary.pdfIn PDF document text
    • https://cdn.sqhk.co/viwitukaz/Ggf9hht/95642425566.pdfIn PDF document text
    • https://cdn.sqhk.co/worekoxe/jbVicja/lobafe.pdfIn PDF document text
    • https://cdn.sqhk.co/kisereta/hj4sao4/gijekabirixoketodowene.pdfIn PDF document text
    • https://cdn.sqhk.co/jumifokujuje/2wSthjF/61746318628.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/56c50833-e08d-4c48-a289-f17523aabc19/how_to_change_input_on_tv_without_remote_vizio.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f31012c9-b22c-4ac8-a76d-110e7d135176/schwinn_comp_bowflex_parts.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/46474d22-2fec-4107-844b-1b8c5bf9ac13/92683747416.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4587f796-5999-408d-a4f3-f1214cc00fcd/76479120423.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/dbe3898a-55b0-4e51-abb7-4069226f8e1f/dirixulupirax.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f401bf52-172b-4653-9713-beb02c7d33c4/50971965100.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4228bc60-52b0-4421-9674-84e54c154a7d/the_game_changers_documentary_netflix_download.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/68f48ba2-8731-450e-a165-af453048a408/45266239064.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e062.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE062 5152 bytes
SHA-256: 891b8a0906f8a49bc7ddecc9b26822fec629946ffb7d0dcee217806f45921a26
font_01_sfnt_off0000f20b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF20B 10960 bytes
SHA-256: 63595482a025cb2606eaf9d01d713c288d2a21c349f589eea039c400a70c46de

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