Malicious PDF — malware analysis report

Static analysis result for SHA-256 0c320d296be79a85…

MALICIOUS

PDF

84.7 KB Created: 2021-03-19 16:34:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 41ac3eb281f20e73f963c68ef764da75 SHA-1: 4c787b9fffc25539153356021539aa869750d8b2 SHA-256: 0c320d296be79a85f0b13ec404a8414acf01776563f001749449ed20197cd7e9
96 Risk Score

Malware Insights

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

The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, with one prominent URL pointing to a site related to a movie title, suggesting a lure. The presence of embedded URLs and the nature of the detection indicate the file is designed to redirect users to malicious sites, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://botokaw.ru/aws?utm_term=ver+3+metros+sobre+el+cielo+2+pelicula+completa+en+espa%25C3%25B1ol
    • https://cdn.sqhk.co/demanajinu/origIhe/wolofuwuvogopigibitesop.pdf
    • https://cdn.sqhk.co/xipepovivik/dggdDbf/59105803285.pdf
    • https://cdn.sqhk.co/jutusaxibu/hbQYTjf/direl.pdf
    • http://tewatag.medianewsonline.com/losinigivarawiliba.pdf
    • https://cdn.sqhk.co/vibefoparo/gjaLqid/chamatkar_movie_free_hd.pdf
    • http://tifusavegapawuf.mygamesonline.org/85846675371.pdf
    • https://cdn.sqhk.co/nopawuwam/L2jhbje/70552684522.pdf
    • http://nemosixumeki.mypressonline.com/68621090776.pdf
    • http://kijekidajefi.getenjoyment.net/47235716750.pdf
    • https://static.s123-cdn-static.com/uploads/4493198/normal_5fc5d746319da.pdf
    • https://static.s123-cdn-static.com/uploads/4416659/normal_5ffe050ab900b.pdf
    • https://cdn.sqhk.co/powedaguja/gyBGBxh/deals_for_wish_discounts_free_shipping.pdf
    • http://gadetebes.sportsontheweb.net/65557633767.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/e5d0f3ad-cf4d-48ac-9cfc-7198e42b6bc5/should_days_of_the_week_be_capitalized_in_spanish.pdf
    • https://uploads.strikinglycdn.com/files/97d73130-e34f-4d32-8583-2e5485f4304a/76249388099.pdf
    • https://s3.amazonaws.com/sedowedi/77348341197.pdf
    • https://s3.amazonaws.com/juzowilipi/sears_kenmore_elite_french_door_refrigerator_complaints.pdf
    • https://s3.amazonaws.com/rujimidujek/wapolokovomotugajuvax.pdf
    • https://uploads.strikinglycdn.com/files/7057c00f-1be0-444c-a5ef-502cf10803cd/62381361839.pdf
    • https://uploads.strikinglycdn.com/files/50ac3028-ccc1-4e7a-9977-28dea7b58e89/9493522502.pdf
    • https://uploads.strikinglycdn.com/files/8c28f554-b946-472b-addc-ceabc1586d42/how_to_wire_a_usb_port_for_power.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
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f268.bin
ba2c7adef4dfec541e14703e32c41041bf02b77970931ad03fb1e27ff112fce2		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF268 5692 bytes
font_01_sfnt_off0001056d.bin
e8248b2cff65649e507441de2d607f29b2289c7adb38f5f56fdce3cffcbd54c3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1056D 12112 bytes
font_02_sfnt_off00012d59.bin
e619a639363efb8a8c499d9b10964d1cd014b9e04bc729d500f2b798c8236684		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12D59 16076 bytes

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