Malicious PDF — malware analysis report

Static analysis result for SHA-256 995bcf6761c52a95…

MALICIOUS

PDF

77.3 KB Created: 2020-07-24 22:26:41 Authoring application: Aspose Ltd. (via Aspose.PDF for .NET 21.4.0)
MD5: 25ac0c34c77ea6c23284b910f697161d SHA-1: faf67073812b690437a35975b5dcf00bb6183422 SHA-256: 995bcf6761c52a95da16ff83006c85cf151e4760061a60f7c866904390b97fdc
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is a PDF document that contains an embedded URI pointing to a URL associated with phishing. The ClamAV detection indicates it is a known phishing trojan. The document body text, though partially obfuscated, suggests a lure related to "Penny lab chemistry answers", likely intended to trick users into visiting the malicious URL for fraudulent purposes. No scripts were extracted, but the presence of external URIs and the phishing detection strongly suggest malicious intent.

Machine Learning

  • Nyx PDF Classifier clean score 0.0623

Heuristics 3

  • 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
  • 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/wix?keyword=penny+lab+chemistry+answers
    • https://kozegefiseram.weebly.com/uploads/1/3/1/3/131379202/wododewimajited-fibitevi.pdf
    • https://cdn-cms.f-static.net/uploads/4387411/normal_601dbb3f9ca87.pdf
    • https://static.s123-cdn-static.com/uploads/4418579/normal_5febaa00c6424.pdf
    • https://jonabosaguvaxak.weebly.com/uploads/1/3/4/8/134858844/6658911.pdf
    • http://rekubojuxow.22web.org/jafatulopejamebixadi.pdf
    • https://cdn-cms.f-static.net/uploads/4375886/normal_601f1db98441a.pdf
    • https://cdn-cms.f-static.net/uploads/4388819/normal_601731be186db.pdf
    • https://kaperimivegorew.weebly.com/uploads/1/3/4/3/134371305/purupubaza_gofulujiselin.pdf
    • https://static.s123-cdn-static.com/uploads/4385848/normal_5fc776c52f21d.pdf
    • https://static.s123-cdn-static.com/uploads/4481423/normal_5ff3e1bd5b98b.pdf
    • https://dunopupusegujuz.weebly.com/uploads/1/3/4/3/134348927/732564.pdf
    • http://zesisoxesevi.22web.org/forex_trading_platforms_usa.pdf
    • https://betixajivuf.weebly.com/uploads/1/3/4/9/134900014/rawirosiw.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • http://tiwobera.rf.gd/c_programming_notes_handwritten.pdf
    • http://kafuvaxuxele.epizy.com/acca_p4_examiner_report_march_2019.pdf
    • http://guxenubegipus.epizy.com/pta_meeting_minutes_template.pdf
    • https://uploads.strikinglycdn.com/files/845dc3e1-7ce1-4e36-af66-43d327813efb/love_yourself_lyrics_justin_bieber.pdf
    • http://kidereludabiron.epizy.com/worksheet_grammar.pdf
    • http://sikejafomanama.epizy.com/gutogibotakuwolepatej.pdf
    • http://kifagugurubox.rf.gd/bhagavad_gita_chapter_2_in_english.pdf
    • https://uploads.strikinglycdn.com/files/eae68546-7012-4060-a853-9d74c4ef98d5/lovazuveroxomazuwuxisonup.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_off0000e769.bin
41afa81e715d44be6b4dbfdf40a7fe6c89f8a051102a1ee617ce2f1cef4a5f37
pdf-font-stream PDF embedded font (sfnt) at offset 0xE769 5052 bytes
font_01_sfnt_off0000f7a8.bin
11fc66b6cf76bdc2b551e9f4bb282fd407dbc7a87f4445a0b80e8122a20fb332
pdf-font-stream PDF embedded font (sfnt) at offset 0xF7A8 10824 bytes
font_02_sfnt_off00011bfa.bin
1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e
pdf-font-stream PDF embedded font (sfnt) at offset 0x11BFA 4324 bytes