Malicious PDF — malware analysis report

Static analysis result for SHA-256 e92589294fd520d7…

MALICIOUS

PDF

119.2 KB Created: 2021-06-08 20:06:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 1eed7ec400697eab48228e5fc5adc34c SHA-1: 2ecf1f6ca1e3a4703ac824322bfeb0ac9244ffbf SHA-256: e92589294fd520d741b4826500a22b8c8a12909aacaf8dbbfd9b42d5cbe14a73
124 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF contains an embedded URI that redirects to a URL associated with movie torrents, indicating a lure for potentially malicious content. Heuristics suggest this PDF is part of a link farm hosted on disposable infrastructure, and ML classifiers and ClamAV detection confirm its malicious nature. The presence of external URIs and the overall structure point towards a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7968

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
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://laborke.ru/pbw?utm_term=ramaleela+malayalam+movie+torrent PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4474462/normal_5fcf09b7ea673.pdfIn PDF document text
    • https://birinubawode.weebly.com/uploads/1/3/6/0/136026057/pefezepeteximewuza.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4451365/normal_5ff5f99d34cb1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4381104/normal_6049b6f90067f.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4460042/normal_5fcd7d6df1665.pdfIn PDF document text
    • https://nepujegoxamo.weebly.com/uploads/1/3/4/3/134380276/56753.pdfIn PDF document text
    • https://lavofimezifo.weebly.com/uploads/1/3/4/3/134341346/suximagutuv.pdfIn PDF document text
    • https://pebizadovabunal.weebly.com/uploads/1/3/4/7/134711288/4557602ec.pdfIn PDF document text
    • https://riligasiguvenu.weebly.com/uploads/1/3/5/3/135392009/ruwavutusadiwen-zotufawe.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4452839/normal_5ff568909688e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4404757/normal_60395a1eb8215.pdfIn PDF document text
    • https://pinawarewexelaz.weebly.com/uploads/1/3/4/0/134012939/9969999.pdfIn PDF document text
    • https://jiwepeduvebata.weebly.com/uploads/1/3/1/4/131456267/2077966.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4424982/normal_6007f891cc0a3.pdfIn PDF document text
    • https://junobinedutuki.weebly.com/uploads/1/3/2/7/132712306/3817858.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4371014/normal_60282690d0057.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://najapenoz.pbworks.com/w/file/fetch/144544224/how_to_draw_cartoon_eyes_on_procreate.pdfIn PDF document text
    • http://tisowowuduwe.pbworks.com/f/xijenoj.pdfIn PDF document text
    • http://wuvebag.pbworks.com/w/file/fetch/144425112/quantifying_energy_flow_in_an_ecosystem_worksheet_answers.pdfIn PDF document text
    • http://kedajawi.pbworks.com/w/file/fetch/144787476/how_to_put_uppababy_vista_in_travel_bag.pdfIn PDF document text
    • http://gazumadu.pbworks.com/f/govinda_namalu_lyrics_in_telugu_mp3_free_download.pdfIn PDF document text
    • https://savannah.gnu.org/projects/freefont/In PDF document text
    • http://www.gnu.org/licenses/In PDF document text
    • http://www.gnu.org/copyleft/gpl.htmlIn 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_off000185ca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x185CA 6744 bytes
SHA-256: 048fb1891f432488516cd811e7b04d68e7d39e548ca3495625137f8fb0c23ff4
font_01_sfnt_off0001967e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1967E 5376 bytes
SHA-256: c00ccd21bcdbc649411c9a44a566da483bf0d3366c95c548a4d0c4725fea411b
font_02_sfnt_off0001a90b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1A90B 4824 bytes
SHA-256: bf2640332e7fa7484459826c6595dd233f9f4b28e51d34567b33f414e4156b7f

Open this report in the interactive analyzer, or submit your own file for analysis.