PDF malware analysis — malicious · 4b78013407408174

MALICIOUS

PDF

74.9 KB Created: 2021-03-24 04:12:10 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: ba6a8640b40c2092b3018246c3d70286 SHA-1: 3fcc9aaae8ba9342de5b7976a8dbff7e420837ab SHA-256: 4b7801340740817497368e7e68c6ae8f624caed24c50d27f83f54ad6b5dcb8b6

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is a PDF document that contains an embedded URL disguised as a search result. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded URL, 'https://dugedepap.ru/aws?utm_term=where+is+the+filter+located+on+a+bosch+dishwasher', is likely used to redirect the user to a phishing or malware distribution site.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

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://dugedepap.ru/aws?utm_term=where+is+the+filter+located+on+a+bosch+dishwasher
- http://rulavilev.iblogger.org/59830897873.pdf
- http://sixesijilolun.mywebcommunity.org/six_easy_pieces.pdf
- http://niburufajanuto.sportsontheweb.net/agatha_christie_grandchildren.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/dukajevo/ashoka_chakravarthy_hd_video_songs.pdf
- https://s3.amazonaws.com/bipovoromoj/pofisawotodoje.pdf
- https://uploads.strikinglycdn.com/files/9197dee8-0f41-435e-aec3-3666a531953d/how_to_cook_butterball_fresh_turkey_burgers.pdf
- https://s3.amazonaws.com/begijufadi/genetic_variation_worksheet_answer_key.pdf
- https://s3.amazonaws.com/rexogeguxosix/vokazixelakifudigax.pdf
- https://uploads.strikinglycdn.com/files/c9b63abc-63cc-49ec-b0f9-0d180ceb04f9/netgear_jgs524_review.pdf
- https://uploads.strikinglycdn.com/files/a651d39e-ab89-4c73-9c7a-e38c24b74158/sony_dvp-nc665p_wont_turn_on.pdf
- http://kesopepi.rf.gd/al_bayan_vol_2.pdf
- https://s3.amazonaws.com/kulinisokakewi/boneworks_vr_demo.pdf
- https://s3.amazonaws.com/sisaxu/pobudukategaxubogab.pdf
- http://kipenul.epizy.com/51096597267.pdf
- https://uploads.strikinglycdn.com/files/e2d5aa1c-de2b-4652-82a7-56765123f287/55103190259.pdf
- https://s3.amazonaws.com/fujadabez/dirugolabedigalimo.pdf
- https://s3.amazonaws.com/minabiwa/37147257015.pdf
- http://xoritafojibi.epizy.com/corporate_finance_theory_and_practice_aswath_damodaran_download.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000e85b.bin` `a77c92cd8780ce085eba668aa40666baf650c958b246920ccfdd9638f189da4f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE85B	5356 bytes
`font_01_sfnt_off0000faa3.bin` `3e995c28660bb8d1852daba763a47783ebf19438cae2b7bc4e7dd91de918f6a2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFAA3	10260 bytes

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