Malicious PDF — malware analysis report

Static analysis result for SHA-256 f134a04b3b9e4b65…

MALICIOUS

PDF

209.3 KB Created: 2021-03-29 05:21:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: d8e06a530171c8140688637a41841711 SHA-1: 0a2bfb348505aee9c4568689592e9c33aac9e23c SHA-256: f134a04b3b9e4b65134d6b69c8182dcaa5afff148fc0f68acee591cd0e810e5d
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 0.9654

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
  • 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://golowaki.ru/award?keyword=bhagavad+gita+in+telugu+pdf+wikipedia PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4485813/normal_60033d539801d.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4409614/normal_5ff077970df8b.pdfIn PDF document text
    • https://cdn.sqhk.co/fumodolanes/ihqUw4U/gowuki.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4457000/normal_5fcc2c4e2c079.pdfIn PDF document text
    • http://grinallex.shop/ligawojlpr3p.pdfIn PDF document text
    • https://cdn.sqhk.co/rowalulo/ijjuie2/10331481126.pdfIn PDF document text
    • http://wordwild-store.com/49654109493kkep3.pdfIn PDF document text
    • http://maddot.space/greatest_common_factor_worksheets_for_grade_5xblnd.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4409093/normal_6041397d916bf.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4382948/normal_5ffa8970b4cbc.pdfIn PDF document text
    • https://cdn.sqhk.co/buvovemif/eiaBWa1/49154946161.pdfIn PDF document text
    • https://cdn.sqhk.co/xawobovuji/jgfJWgh/22912886221.pdfIn PDF document text
    • https://cdn.sqhk.co/rivotoxupow/Keejcjj/lost_sphear_switch_review_ign.pdfIn PDF document text
    • http://com-copyrighit.com/34478796579rp018.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4378623/normal_5ff7f3821ac06.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • https://uploads.strikinglycdn.com/files/908a2b4f-ace6-4aca-ab21-ada559e205b5/42761081931.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/12e9ff29-e90e-4ceb-8333-125c5aa6e00e/87760138790.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/430d876d-d1dd-484d-aaca-bc2531c39bc7/microsoft_word_codes_for_french_accents.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/317f2e87-e1f2-4766-9602-04202d17ca2a/wemazadam.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a5508fb3-4102-492c-8417-d014a90d40e6/shark_ion_robot_vacuum_r75_vs_irobot_roomba_670.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d8e1abb2-e561-4f02-9235-2e684d45f13e/digitech_gsp_2101_manual.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f02899fd-70e9-4539-a421-2ab100835c31/12704499345.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c2f50d5c-0a2f-4593-bf92-d57c144e4ea0/nora_roberts_the_one_trilogy_book_3.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/242799a4-08b0-4fb4-9206-fa3597c141a1/ryobi_18v_battery_car_charger.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
    • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
    • http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002d39f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2D39F 5296 bytes
SHA-256: d1cbe61b92c43c23f7ced0e35dd9dff3057aa7d8b04c4a864d5dee7dc025a9f0
font_01_sfnt_off0002e5c0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E5C0 3740 bytes
SHA-256: eb903a4bcabb0673128613fc2c6a3b3be6b6be0204d11159aa2f590e1d82ee93
font_02_sfnt_off0002f139.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F139 15804 bytes
SHA-256: f88cb1cb7e43581312e521e729839fd7a588b6447762f53edfe774a37af4a043
font_03_sfnt_off00031f9f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x31F9F 6672 bytes
SHA-256: 600a9df945b375c69d0fc40edd794eb86ad4ff8d68d3292abadd4199861cd84d

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