PDF malware analysis — malicious · 07e3f725d30afdd6

MALICIOUS

PDF

78.1 KB Created: 2021-03-15 16:50:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 8d3b3b25a791d99c96b824e17e8fcb69 SHA-1: a216b4de1e12c82dae56269a0847334014508dc5 SHA-256: 07e3f725d30afdd6acd38bd5b9898feb50c04384b94d5a06f5990db9600ee87f

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, with a high risk score. It contains an embedded URI pointing to 'https://pelibifir.ru/aws?utm_term=no+logo+doritos', which is a strong indicator of a phishing or malware distribution attempt. The PDF structure itself does not contain readable content, but the presence of the malicious URL and the overall detection suggest a malicious intent.

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://pelibifir.ru/aws?utm_term=no+logo+doritos
- http://damewumesigalut.medianewsonline.com/fundamentos_de_algebra_lineal_larson_6_edicion.pdf
- http://euroshopme.site/spelling_test_template_50_words5ner2.pdf
- http://moymagazin.xyz/over_the_rainbow_chords_ukulelengcv0.pdf
- http://omshop.space/pimakedizavamozetuq3eti.pdf
- http://rusherx.studio/axiom_cnc_manuallr9eb.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://zevovalik.epizy.com/82737717280.pdf
- http://samajusinifako.atwebpages.com/42526925892.pdf
- http://jerovewoxisabu.epizy.com/31362970923.pdf
- http://bovuzigaratufob.rf.gd/34652951885.pdf
- https://s3.amazonaws.com/fifuto/xelejixuweset.pdf
- http://rutuber.rf.gd/27181564105.pdf
- http://rebukupomapet.rf.gd/waltz_in_e_minor_chopin.pdf
- https://s3.amazonaws.com/dumupa/nimenozebek.pdf
- https://s3.amazonaws.com/sumesawoxajew/halloween_science_worksheets_6th_grade.pdf
- http://ramasewo.epizy.com/rixaligarijoduweta.pdf
- https://s3.amazonaws.com/zafirawit/texagolitubazo.pdf
- https://s3.amazonaws.com/mefonevimimix/graph_theory_cheat_sheet.pdf
- http://dawonudugol.rf.gd/46555577790.pdf
- https://s3.amazonaws.com/bolovopizonuki/tudazadelude.pdf
- https://s3.amazonaws.com/bomifabipi/beyond_enemy_lines_remastered_walkthrough.pdf
- https://s3.amazonaws.com/fopalew/wisdom_of_the_enneagram_test.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_off0000f611.bin` `59f6285129a80010380b1eb49ea411e1b62d42f3f9cbc940bc412c1b67049613`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF611	4752 bytes
`font_01_sfnt_off0001064e.bin` `160af97629ed07845bce48f37d2e59bcf079d5128b65e1d8128e789cb709d675`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1064E	10908 bytes

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