Malicious PDF — malware analysis report

Static analysis result for SHA-256 7960709a205ed4e3…

MALICIOUS

PDF

71.6 KB Created: 2020-11-10 07:17:53 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: e91220658abbcdc074aba6e843298e02 SHA-1: d625ace9f7a21f78699588db196834388ae38718 SHA-256: 7960709a205ed4e3de6bd93607d30b3c28a014927de94f139a608a2a552d5acf
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that directs users to a website disguised as a search result for a specific item. This is a common phishing tactic to trick users into visiting malicious sites. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://trafftec.ru/123?keyword=1804+silver+dollar+ebay
    • https://xexovelez.weebly.com/uploads/1/3/0/8/130813416/2502173.pdf
    • https://pakezumada.weebly.com/uploads/1/3/4/3/134368128/25f7123d3c3c6.pdf
    • https://sisodiwitamusoz.weebly.com/uploads/1/3/2/6/132681746/2868229.pdf
    • https://bimidupixujeg.weebly.com/uploads/1/3/4/3/134319160/d7f1571ce3b6.pdf
    • https://cdn-cms.f-static.net/uploads/4409113/normal_5f9f893fd0ae3.pdf
    • https://gotumofavi.weebly.com/uploads/1/3/4/6/134602885/7deb85.pdf
    • https://xonimitofowe.weebly.com/uploads/1/3/2/6/132682232/2461809.pdf
    • https://finazodaxuvoj.weebly.com/uploads/1/3/2/6/132682535/favegunupisan.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • https://s3.amazonaws.com/xafaxotaful/godasabamopabasusufon.pdf
    • https://s3.amazonaws.com/watajive/formula_de_la_ecuacion_cuadratica.pdf
    • https://s3.amazonaws.com/zugutixe/madonna_and_child_with_two_angels_patron.pdf
    • https://s3.amazonaws.com/dixaleko/design_patterns_c_explained_simply.pdf
    • https://s3.amazonaws.com/petikamov/jaiib_books_free_download_in_hindi.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000cc61.bin
87dbdd2990b0020e32a4efee89e3bb7692696a07f99877df07616a796a85dc91		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCC61 5104 bytes
font_01_sfnt_off0000ddc8.bin
a5349972f495ee3347422aeb4f9c48ed087d5b361e6149a0ad80a41bf8c1bcb3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDDC8 11220 bytes
font_02_sfnt_off000103f0.bin
9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x103F0 4324 bytes

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