Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa70fc3b6d2491a6…

MALICIOUS

PDF

155.8 KB Created: 2021-03-23 07:23:36 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: eb5c7dd9311041ebf423b2acc77764d5 SHA-1: 23eb887a727a8acd286bf1f51830f640b8e07f4c SHA-256: fa70fc3b6d2491a64f85a32e7178e050e90742ea3e204624f8827abe170abcb2
96 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URI pointing to 'https://lozipotod.ru/wix?keyword=1997+ford+ranger+repair+manual', which is likely used to deliver a secondary payload or conduct phishing. The document body, though heavily obfuscated, suggests a lure related to a '1997 ford ranger repair manual'. No scripts were extracted, but the presence of an external URI in a malicious PDF strongly indicates a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9985

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://lozipotod.ru/wix?keyword=1997+ford+ranger+repair+manual
    • https://rexakutomas.weebly.com/uploads/1/3/0/7/130739652/8787053.pdf
    • https://padefogufagabak.weebly.com/uploads/1/3/4/7/134714354/luluvemamo.pdf
    • https://duvafoxugijotad.weebly.com/uploads/1/3/5/3/135305538/1250320.pdf
    • http://crawlmqyu.space/127479086154mhwj.pdf
    • http://my-favshopf.online/how_to_build_a_workbench_out_of_palletsn0dt6.pdf
    • https://rokepovel.weebly.com/uploads/1/3/4/5/134500090/6894555.pdf
    • https://tigobatimomovo.weebly.com/uploads/1/3/2/7/132740361/buwuxigitus-gamonegoma.pdf
    • https://bopunesarikimar.weebly.com/uploads/1/3/1/4/131453984/vibavubuzuwoz_weref_modigadivajew.pdf
    • http://vufavat.iblogger.org/how_much_rest_between_pull_up_sets.pdf
    • http://summer-italy.fun/69581334352qtrix.pdf
    • http://rerubin.space/9683172066ffick.pdf
    • https://mebifexet.weebly.com/uploads/1/3/1/3/131381374/tedaxumebe.pdf
    • http://remont-kholodilnikov.website/sisabavafarokifrjfy0.pdf
    • http://trenketo.buzz/ammonia_refrigeration_safety_inspection_checklistjjis1.pdf
    • http://habirovradik.ru/pioneer_vsx_1021_remote_not_workingeljez.pdf
    • https://vosuzupitozom.weebly.com/uploads/1/3/5/3/135313705/44ba1.pdf
    • http://osummer.space/wallpaper_for_jio_phonefkt1a.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/kexamoxusinixu/68103622990.pdf
    • http://jidumefimu.rf.gd/89503916660.pdf
    • http://wokoxab.epizy.com/vuzajamusatilukuwefosilu.pdf
    • https://s3.amazonaws.com/lorifumofelu/self_certification_form_pay.pdf
    • https://s3.amazonaws.com/zoluwivebiro/roku_tv_xfinity_app_not_working.pdf
    • https://s3.amazonaws.com/somamere/jugododupujupotovepenedum.pdf
    • https://s3.amazonaws.com/wizitifowubux/watesin.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_off000210b9.bin
21108bdd2049ae62ebb982ad7fb6620ee5ae6698e668e96a78fe8009629c2fdb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x210B9 5376 bytes
font_01_sfnt_off000222fa.bin
2744f02d705e3a09f6c98962a66850a299901e65397f8469f6c09b1d0b62d0f2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x222FA 12148 bytes
font_02_sfnt_off00024c42.bin
019e92530604f520106ad5c4b76966f1dd6ed19205c931d1b65f84b35f1178c0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24C42 16088 bytes

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