PDF malware analysis — malicious · f2b9d4df4e4388c4

MALICIOUS

PDF

69.6 KB Created: 2021-03-31 12:02:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 19d4fa1fb82957704a6784def7834b5b SHA-1: af994e6f3aecac15fad6863874fe9e5b63faff0e SHA-256: f2b9d4df4e4388c424db8c4e0998f81b40a1a0377eaf2a3bc578cfa74c30fbb2

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains an external URI pointing to a suspicious domain, likely intended to host or redirect to a malicious payload. The presence of embedded URLs further supports the phishing attack pattern, aiming to trick users into downloading further malicious content.

Machine Learning

Nyx PDF Classifier malicious score 0.9996

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://soxebez.ru/123?utm_term=abantwana+intonga+yakho++fakaza
- http://luminar3-download.xyz/calculus_early_transcendentals_8th_edition_solutionsie6m7.pdf
- http://verifedform.com/kabuvobodupovefejezuxuno83egw.pdf
- http://nadurejiw.22web.org/xuzivuj.pdf
- http://davufemalolaj.iblogger.org/tuxapafujulapodoxo.pdf
- http://aycotoro6.xyz/41029727297uxdav.pdf
- http://fastcreditreport.info/avengers_logo_fonta31l8.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://sezajebufixi.epizy.com/6429606652.pdf
- https://s3.amazonaws.com/pasawexawinogad/lemur_bluedriver_price.pdf
- http://dowovefedomo.epizy.com/jijavorefetofimitusogever.pdf
- https://s3.amazonaws.com/tixedujegibex/zenaf.pdf
- https://s3.amazonaws.com/tikoweravisixu/4283758571.pdf
- http://sujomux.rf.gd/analysis_of_algorithms_robert_sedgewick.pdf
- http://dikewovob.epizy.com/7489556530.pdf
- https://s3.amazonaws.com/zepifudoxapo/kodak_esp_3250_driver_is_unavailable.pdf
- https://s3.amazonaws.com/tokit/laudate_pueri_mozart_sheet_music.pdf
- http://tusajemepo.epizy.com/pride_and_prejudice_by_jane_austen_audio_book.pdf
- http://mukadepokexow.epizy.com/el_caballero_de_la_armadura_oxidada_captulo_1_resumen.pdf
- http://gofekujapi.rf.gd/vijirosurazu.pdf
- http://wonuzewidej.epizy.com/color_psychology_read_theory_answers.pdf
- http://baxadozivu.epizy.com/2025078882.pdf
- http://begosene.epizy.com/temonefalaj.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_off0000d320.bin` `13b8803ed1f4ad5ca7355e62fbdf836a93c192632c9d3663d23311e4773159b0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD320	5160 bytes
`font_01_sfnt_off0000e4e1.bin` `05e736cfead2915a61393bf9d12c2e5aa4b90e13fe45386e7556004caf8d441d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE4E1	10412 bytes

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