Malicious PDF — malware analysis report

Static analysis result for SHA-256 6d570da627bf031c…

MALICIOUS

PDF

88.2 KB Created: 2021-04-06 00:18:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 1f31080850e738616d19cb07eca8a7c1 SHA-1: bd54eea9f3dc7e444d04f3eb64faa6e95c8fcf3b SHA-256: 6d570da627bf031cf5671572c56980eafbf1fcdb27886048736b57ba290f3c00
136 Risk Score

Malware Insights

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

This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. The document body and embedded URI point to a URL that appears to be a lure for downloading an Android TV APK, suggesting a phishing or malware distribution attempt. The presence of a password-protected archive lure heuristic further supports the idea that this document is a component of a multi-stage attack designed to trick users into downloading and executing further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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/wix?keyword=you+tv+apk+para+pc
    • http://fosireditoj.mygamesonline.org/advantages_of_effective_communication.pdf
    • http://ketoxitigojaluk.sportsontheweb.net/teoria_del_aprendizaje_social_y_desarrollo_de_la_personalidad.pdf
    • http://fawaxifiwuzodil.scienceontheweb.net/42108181773.pdf
    • http://kiwenalod.medianewsonline.com/tunejenoxizepelivulu.pdf
    • http://melofuwi.getenjoyment.net/xipigigobine.pdf
    • http://musomojil.mywebcommunity.org/xutexizevipi.pdf
    • http://potuxoposutu.medianewsonline.com/32667312551.pdf
    • http://salizurewaki.mypressonline.com/dobisoxabupeputaw.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/lolaritemukole/68163186159.pdf
    • https://s3.amazonaws.com/kizugokofo/free_letter_f_coloring_sheet.pdf
    • https://s3.amazonaws.com/kumasala/zazodojudek.pdf
    • https://s3.amazonaws.com/lukepepe/sasowuzibi.pdf
    • https://s3.amazonaws.com/rimepusox/jt_101_post_test_1_answers.pdf
    • https://s3.amazonaws.com/lakadutof/meant_to_be_yours_sheet_music.pdf
    • https://s3.amazonaws.com/pogolo/rpg_maker_mv_crack_free.pdf
    • https://s3.amazonaws.com/bomifabipi/27723155075.pdf
    • https://s3.amazonaws.com/vebogotexaf/wemetotumomo.pdf
    • https://s3.amazonaws.com/sinamozagemoger/oscar_winners_2019.pdf
    • https://s3.amazonaws.com/tozaduliwubega/istqb_advanced_test_manager_exam_questions_answers.pdf
    • https://s3.amazonaws.com/bawalidamovidud/maxegolazovun.pdf
    • https://s3.amazonaws.com/xukirizugukugi/magixiwozejek.pdf
    • https://s3.amazonaws.com/zobuwubedak/asp_net_mvc_5_newtonsoft_json.pdf
    • https://s3.amazonaws.com/venunamazozuzo/75817926958.pdf
    • https://s3.amazonaws.com/nefunupu/palawojudozuli.pdf
    • https://s3.amazonaws.com/jolituzoji/exerpeutic_folding_exercise_bike_review.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f78b.bin
d7c490870dfb22fa359abb3a851b7b71b76f4653d12d7773088ee29b07ca804b		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF78B 4804 bytes
font_01_sfnt_off000107f6.bin
27d239e6938730198e09e112fd2360c51ccd0b904b4a37b4dbe455d40aef4eec		 pdf-font-stream PDF embedded font (sfnt) at offset 0x107F6 2212 bytes
font_02_sfnt_off000111fa.bin
9501b41c65c98363222c4992d3c1d7ac052071c24b5f63aab89c84ad60c4f0ba		 pdf-font-stream PDF embedded font (sfnt) at offset 0x111FA 11588 bytes
font_03_sfnt_off00013839.bin
403a1997dfd140c0c45187c12c6c774d1c990ee47e729754ffef971324f1cc1e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13839 17872 bytes

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