Malicious PDF — malware analysis report

Static analysis result for SHA-256 82200032c4653c0a…

MALICIOUS

PDF

208.0 KB Created: 2021-04-22 13:10:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: fbb799490613df849054316fc3e81fe6 SHA-1: 8ae9f41f18784267095a5ade5f31125efb5062da SHA-256: 82200032c4653c0ab4941dcf4e957782600ac9fd5b7294747fc4a87f64a8d7bb
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 0.9907

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://ponafet.ru/strik?utm_term=how+much+does+a+union+plumber+make+in+ohio PDF link annotation
    • https://cdn.sqhk.co/nopawuwam/bTkjjgf/45928656437.pdfIn PDF document text
    • https://cdn.sqhk.co/gulifunanale/dghngfJ/srso4_aqueous_or_solid.pdfIn PDF document text
    • https://tenimuleletef.weebly.com/uploads/1/3/4/3/134343202/3811512.pdfIn PDF document text
    • https://cdn.sqhk.co/vipabumumiw/6njbkjf/mulikodol.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4485308/normal_605bf95354546.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4418199/normal_605be6ac7d90c.pdfIn PDF document text
    • https://cdn.sqhk.co/feletitami/J5HEgiI/hocus_pocus_dani_costume_diy.pdfIn PDF document text
    • https://cdn.sqhk.co/daposofoxig/efgexjg/veburejigepikufalef.pdfIn PDF document text
    • https://nazutusimeraj.weebly.com/uploads/1/3/4/8/134883567/malajaradinujoduxed.pdfIn PDF document text
    • https://gaxasexafarud.weebly.com/uploads/1/3/4/5/134590452/2e0a36.pdfIn PDF document text
    • https://jidugurulepapol.weebly.com/uploads/1/3/4/3/134310086/8071423.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://uploads.strikinglycdn.com/files/b782b324-1ac2-4013-82a8-6913882a0b4c/the_crown_season_4_episode_5_av_club.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ef031994-10b5-4cba-b730-bb49bf9d6761/is_there_a_the_descent_3_movie.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1621a192-86e9-4318-a290-b68cfd755e39/honda_tiller_fg110k1at_parts.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3954de85-778b-4cd8-ba77-c8ab398103d7/89867196197.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9378e013-2217-4f79-8510-a4c955485032/fufofonusowameb.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/547a57bd-aef9-4134-922f-d635d13312fc/98217073267.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2fe9f14e-fd40-464e-afba-2c75af581a18/food_calorie_counter_chart_printable.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/87d20fd8-55cf-4cf4-ab99-ed9a6f52ab4d/67970759748.pdfIn PDF document text
    • https://s3.amazonaws.com/jofunozuzof/3154084865.pdfIn PDF document text
    • https://s3.amazonaws.com/bufipevuril/danse_macabre_sheet_music_piano.pdfIn PDF document text
    • https://s3.amazonaws.com/xenavuxa/clothes_worksheet_englishwsheets.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_off0002e9bd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E9BD 5372 bytes
SHA-256: df5f4bec238d2da4799e0b6dbfe4e9c9c2b502b963769008a5ed674773ac759e
font_01_sfnt_off0002fbcf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FBCF 11572 bytes
SHA-256: fc8eabd0b7df281469fc0dfe16a007f7fd1e9ca5b59accae2257dbfc17194856
font_02_sfnt_off0003238b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3238B 4324 bytes
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2

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