Malicious PDF — malware analysis report

Static analysis result for SHA-256 5fa93d37ec17083d…

MALICIOUS

PDF

86.7 KB Created: 2021-05-15 05:42:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 60c0ec9d21d4bf82bb07fef18852099a SHA-1: ea7eb482a36e677765bb477a7735a59fdb9c1337 SHA-256: 5fa93d37ec17083d3e5af63b8cfa5eb99214162db8ed0e8aa9fbd9964158ae77
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 0.9995

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://seumenha.ru/strik?utm_term=how+much+to+install+garmin+430w PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4416501/normal_5fcd539609885.pdfIn PDF document text
    • https://kofutisidizeb.weebly.com/uploads/1/3/1/4/131437743/4182e870e229c31.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4454280/normal_5fec93cc4cba6.pdfIn PDF document text
    • https://bidiruvinevuf.weebly.com/uploads/1/3/1/3/131379477/losolijuna.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4378161/normal_600e714090309.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4408866/normal_5fcd3c3b9b22e.pdfIn PDF document text
    • https://sarutofujatazix.weebly.com/uploads/1/3/4/5/134584212/sewixu_zojunepenafat.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4380230/normal_5fea2be752a1b.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://s3.amazonaws.com/toguvaju/59750082809.pdfIn PDF document text
    • https://4ad55601-b8ab-4ae0-bc0e-e90069072326.filesusr.com/ugd/3aca14_cf45ad66a4c3492281eebae26c5f118c.pdf?index=trueIn PDF document text
    • https://f33d1b56-f518-462b-b61f-c1b5c1ba661c.filesusr.com/ugd/1c44ce_2a33ed0934014a0ba1bcc43138451f6d.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/zaxawetawupo/your_perfect_right_ebook.pdfIn PDF document text
    • https://s3.amazonaws.com/wibedubosateg/agastya_odia_film_video.pdfIn PDF document text
    • https://s3.amazonaws.com/sezebepit/funny_quotes_from_history_of_the_world_part_1.pdfIn PDF document text
    • https://s3.amazonaws.com/ruzumeb/390833496.pdfIn PDF document text
    • https://s3.amazonaws.com/mogedozara/xabulax.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/19822473-2f70-4900-b6a9-4baab5f511bb/visezekagilelepozise.pdfIn PDF document text
    • https://1423d76f-a56f-4481-bf87-726e17039346.filesusr.com/ugd/14aee2_664a0de1c2dc4c639a3527122370420d.pdf?index=trueIn PDF document text
    • https://3c1efe6f-6e34-41bb-a2c4-2be85dd3cb33.filesusr.com/ugd/41f880_499226314ed04259949012060de97841.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/xumakomowi/baxew.pdfIn PDF document text
    • https://7f3dc8b3-869c-44c5-82eb-14ae88d57796.filesusr.com/ugd/dc4ca1_021b3769f37d4cd7b9f8dc77f549a8c1.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/1d99717d-2428-437e-9123-eff126560679/nodikigurekiwojodenorif.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_off00010817.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10817 5424 bytes
SHA-256: 12d8833da4408972dad687ab5a04f69b2dae0a4d7452fde9004c69ab3a075547
font_01_sfnt_off00011a6e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11A6E 10804 bytes
SHA-256: 808bc2eb34b83b128f9057c8ff0133ffeb5de4b34b4b157ee78d3673881f7a86
font_02_sfnt_off00013f48.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13F48 4324 bytes
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71

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