Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc962e604b87ee88…

MALICIOUS

PDF

109.6 KB Created: 2021-03-23 09:43:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: e9769d0806579aa8d1049261488dc535 SHA-1: 62c3fbda4c1447047448175567c8688e57f03eab SHA-256: cc962e604b87ee88368a1109216e4427cbb9ffe827d990b853904fee336f88ed
96 Risk Score

Malware Insights

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

The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The embedded URL `https://soxebez.ru/wix?keyword=arma+3+altis+life+mining+guide` suggests a phishing or credential harvesting attempt, disguised as a game guide. While no scripts were explicitly extracted, the PDF structure and heuristic firings point towards the use of embedded content to redirect users to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://soxebez.ru/wix?keyword=arma+3+altis+life+mining+guide
    • https://static.s123-cdn-static.com/uploads/4454286/normal_5fcc02c3c056f.pdf
    • http://afracheat4.xyz/47077029352blsxi.pdf
    • https://static.s123-cdn-static.com/uploads/4449968/normal_5fe510cdce7fb.pdf
    • https://static.s123-cdn-static.com/uploads/4425533/normal_5fe0c0ba24d8d.pdf
    • http://kukushpa.fun/seven_years_lyrics_saosin_meaningn660m.pdf
    • http://umdtheatre.ru/blockchain_and_cryptocurrency_full_coursesezqxw.pdf
    • https://cdn-cms.f-static.net/uploads/4415530/normal_602bfac076c95.pdf
    • https://cdn-cms.f-static.net/uploads/4472495/normal_605280449aa2e.pdf
    • http://dombitarf.ru/tedepixoxasalanutidy1d30.pdf
    • https://cdn-cms.f-static.net/uploads/4467593/normal_600cde1a5c659.pdf
    • http://storeeu.info/daffynition_decoder_5._3_worksheettqgty.pdf
    • http://filmera.ru/c_language_introduction_in_telugu8a1jj.pdf
    • http://dirtygirl.fun/86715355132o6qan.pdf
    • http://bcpreactiva-enlinea.com/kobalt_7.25_sliding_miter_saw_revieww39wj.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.opentle.org
    • https://s3.amazonaws.com/zagapaxa/nuvilomiranakofobuludox.pdf
    • https://s3.amazonaws.com/vexosafugunu/kalamuwulufosenax.pdf
    • https://uploads.strikinglycdn.com/files/cdde2fb1-7fd6-4d79-bfe4-4be919ed6d7b/tomtom_start_25_release_date.pdf
    • https://s3.amazonaws.com/tuxalowafokuvo/anemia_falciforme_sintomas_graves.pdf
    • https://s3.amazonaws.com/natewared/postcode_lottery_song.pdf
    • https://uploads.strikinglycdn.com/files/309954f5-d1a6-46de-a4b3-07ed22880eec/the_darkest_minds_movie_analysis.pdf
    • https://s3.amazonaws.com/fonazuzixagizir/what_are_halogens_at_room_temperature.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://www.gnu.org/licenses/gpl.html

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00015273.bin
894da47f22c5bc1465ffcac98a1ea6fe7e4c7c7f4ade0d025220ac316d7da31e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x15273 5380 bytes
font_01_sfnt_off00016499.bin
6adfc678187e11c270078e204550db0e5c637b05d7bade4a860da8bcff362bab		 pdf-font-stream PDF embedded font (sfnt) at offset 0x16499 8852 bytes
font_02_sfnt_off00017d2a.bin
dc6dcd7419c5aaad94e191bcc09f62c61a7907e431699228648f040186417a07		 pdf-font-stream PDF embedded font (sfnt) at offset 0x17D2A 13676 bytes

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