PDF malware analysis — malicious · 486c5e199192b950

MALICIOUS

PDF

84.1 KB Created: 2021-03-19 21:40:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-23

MD5: 71b1bd5440d7e0d686b8b0a361cf0225 SHA-1: 7e101c5c8cac7c2749095c98e2b2d788abfe413f SHA-256: 486c5e199192b950b12f5be003f865a4c14e1ffe0a602aa1237ed75da2565ab9

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 an embedded URL that appears to be part of a phishing lure, disguised as a document related to 'attestation d'hébergement en anglais pdf'. No scripts were extracted, but the presence of the malicious URL and the overall detection strongly suggest a phishing attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9925

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://gimoguvi.ru/award?keyword=attestation+d+h%25C3%25A9bergement+en+anglais+pdf PDF link annotation
- https://rizapomon.weebly.com/uploads/1/3/0/7/130739727/burari-pisorixu-ronutoxe-mofalode.pdfIn PDF document text
- https://cdn.sqhk.co/duponetix/8ifPiji/city_sightseeing_hop_on_hop_off_bus_berlin.pdfIn PDF document text
- https://dagojamigim.weebly.com/uploads/1/3/4/7/134763314/sifixuwet.pdfIn PDF document text
- https://xuboxale.weebly.com/uploads/1/3/1/4/131452808/3060422.pdfIn PDF document text
- https://cdn.sqhk.co/zudusidesu/r2Cgjls/angry_birds_transformers_arcee_and_airachnid.pdfIn PDF document text
- https://deperomider.weebly.com/uploads/1/3/4/3/134344929/vomenugolalot.pdfIn PDF document text
- https://xesufomoma.weebly.com/uploads/1/3/1/0/131070197/sasibafapefebak.pdfIn PDF document text
- https://xaxibilezulaf.weebly.com/uploads/1/3/4/0/134096047/situvoroverorut-vitajelifum.pdfIn PDF document text
- https://cdn.sqhk.co/madagijoj/ijzb4eh/1308004985.pdfIn PDF document text
- https://cdn.sqhk.co/leporolino/hfaiDha/character_change_worksheet.pdfIn PDF document text
- https://madudezogimune.weebly.com/uploads/1/3/4/3/134326665/9605623.pdfIn PDF document text
- https://luxabilep.weebly.com/uploads/1/3/0/8/130873941/gaxafi_tuviguto_xupesipomatewu_wetodopivos.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/viromibukoleliw/viperepafijetevalejofa.pdfIn PDF document text
- https://s3.amazonaws.com/mogipegi/tegipof.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fef39d68-8d96-43e5-8cdf-098ed7ff78f2/bulunenusugaxotafu.pdfIn PDF document text
- https://s3.amazonaws.com/taturi/follow_questions_and_answer.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d81daa99-a50d-4930-afd2-2b87f928b6ef/41318693839.pdfIn PDF document text
- https://s3.amazonaws.com/remuv/balance_sheet_vertical_analysis.pdfIn PDF document text
- https://s3.amazonaws.com/mejados/tizekakinezisaze.pdfIn PDF document text
- http://divonuniset.epizy.com/75331766482.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/03849a3f-6b74-48b8-9831-38d0fd0ffbd8/what_the_difference_between_mini_14_and_mini_30.pdfIn PDF document text
- http://xuneviwek.epizy.com/strabismic_amblyopia.pdfIn PDF document text
- http://zomekijisev.rf.gd/aspiracion_de_secreciones_nasofaringeas_y_orofaringeas.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c95717c7-0aff-4b0c-8c81-c6957c46d907/boss_dd_500_firmware_update.pdfIn PDF document text
- http://wegudewabeko.rf.gd/compaq_presario_cq57_drivers_for_windows_7_professional.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/09a8b753-337b-404b-8c0a-6335c32aaa8f/93826889716.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000e81f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE81F	5728 bytes
SHA-256: `12c24f33490d7a76a214038f2e1a87cd3d4073e4ede261ac33ea3474d95b6b0e`
`font_01_sfnt_off0000fb18.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFB18	1800 bytes
SHA-256: `daad3f347a4f42f432ee9983e619a7c063e36761dba5934b469418034847e28e`
`font_02_sfnt_off000103a6.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x103A6	11764 bytes
SHA-256: `5258a1c2eaba8ded94040445819c09c22498f6cc7f1899c25b4401e6952e59e0`
`font_03_sfnt_off000129ff.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x129FF	16312 bytes
SHA-256: `aad9bc0f36eadc3314e08670b59090120051e308b357201f134af3d0b781b2b0`

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