Malicious PDF — malware analysis report

Static analysis result for SHA-256 fdbdcc7458460f0a…

MALICIOUS

PDF

94.1 KB Created: 2021-03-17 13:08:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: deb5b0c5953402f70b8ec08c948b2f77 SHA-1: 01aafdd5a3ca6b8ae1beb6a2b06f47fe2e229bab SHA-256: fdbdcc7458460f0a59e05fd750df6e5367f4facd7e291c735803eda727126fa3
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that redirects to a malicious domain, likely to deliver a phishing page or malware. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body, though heavily obfuscated, appears to be a lure related to 'Amharic bible study pdf'.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5157

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
  • PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILED
    The cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
  • 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://pelibifir.ru/award?keyword=amharic+bible+study+pdf
    • https://cdn-cms.f-static.net/uploads/4413122/normal_5fd5f5079dd64.pdf
    • http://tuvosudokalidu.scienceontheweb.net/tubetujamatarixezewopit.pdf
    • https://cdn-cms.f-static.net/uploads/4470836/normal_60488a343d790.pdf
    • http://xilatotes.sportsontheweb.net/karefopulupepifitabimum.pdf
    • http://wusodopepufex.66ghz.com/11505404937.pdf
    • http://zefikono.22web.org/allaire_state_park_map.pdf
    • http://zibepifutidi.sportsontheweb.net/sekuxizoparobazupu.pdf
    • https://cdn-cms.f-static.net/uploads/4446944/normal_60184789f0298.pdf
    • https://cdn-cms.f-static.net/uploads/4423148/normal_601d5eda96a56.pdf
    • https://cdn-cms.f-static.net/uploads/4481828/normal_6048aa1ba1c94.pdf
    • https://cdn-cms.f-static.net/uploads/4374188/normal_5fdc3e116dde7.pdf
    • http://patewukezevo.iblogger.org/komexosorapenikiloribufe.pdf
    • https://static.s123-cdn-static.com/uploads/4423137/normal_5fcfb71ef02a9.pdf
    • http://fejelomixariji.22web.org/87396656568.pdf
    • http://kenugizi.getenjoyment.net/99_topics_ccfp.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://mevonaku.rf.gd/62864101913.pdf
    • https://s3.amazonaws.com/jujadodedaruxix/ferizu.pdf
    • https://s3.amazonaws.com/lonozote/sakenavivok.pdf
    • http://tiriburud.rf.gd/85732892844.pdf
    • http://pobopujobezov.rf.gd/27279251098.pdf
    • https://s3.amazonaws.com/rezugekolaba/my_talking_tom.pdf
    • http://tepezuxuliw.rf.gd/sushanta_paul_notes.pdf
    • https://s3.amazonaws.com/jovekus/sixaros.pdf
    • https://savannah.gnu.org/projects/freefont/
    • http://www.gnu.org/licenses/
    • http://www.gnu.org/copyleft/gpl.html
    • http://scripts.sil.org/OFL

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e825.bin
d95a1df6a4f079f610f389f2368842e5535fc5dab64326e83cc799883df3921e
pdf-font-stream PDF embedded font (sfnt) at offset 0xE825 32860 bytes
font_01_sfnt_off00013e54.bin
a5aad84dc6ca8f9260ff05191365786639f7fdf6e0693236295f337ea917cecf
pdf-font-stream PDF embedded font (sfnt) at offset 0x13E54 5628 bytes
font_02_sfnt_off0001514e.bin
70b40c376cfe6e497f7f73bc8626e0327825fd035d58d6fdba9bcfdb8656ffb0
pdf-font-stream PDF embedded font (sfnt) at offset 0x1514E 11168 bytes