PDF malware analysis — malicious · dc216f3a8699bd10

MALICIOUS

PDF

73.7 KB Created: 2021-02-27 09:26:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 0384ed61a7c9ccb6750d81642bfb40a3 SHA-1: 9f1d58760b65f5d7673b0e707b1375de7d82d43c SHA-256: dc216f3a8699bd10c50a0223cc9b3a0f0e826cf751c10a728b78983fabc46a8d

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an external URI pointing to a suspicious domain, likely intended to redirect the user to a malicious payload. The document body, though heavily obfuscated, suggests a lure related to healthcare ethics, a common tactic for phishing or malware distribution.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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://resalured.ru/123?utm_term=what+is+justice+in+healthcare+ethics
- http://domainlimax.xyz/rinuzineredanfspp9.pdf
- http://nomokesus.sportsontheweb.net/olivetti_underwood_lettera_32_typewriter.pdf
- http://numulul.mygamesonline.org/nofipogowek.pdf
- https://cdn.sqhk.co/vusabutam/thcgegg/fowalegibibubidow.pdf
- https://dodapoxole.weebly.com/uploads/1/3/1/3/131398067/c6bdd.pdf
- https://cdn.sqhk.co/norowitidot/TibYieP/setanutojarutojupal.pdf
- http://tosety.xyz/bigatamemufubafetijakaloxfkyc8.pdf
- http://evgeniy-semenenko.ru/monofezusodibofizyalbx.pdf
- http://katermore.ru/31187187183ciooi.pdf
- http://nepatokada.mypressonline.com/24009894646.pdf
- http://smartycredit.info/king_size_bed_sheet_pure_cottonpbhz0.pdf
- https://kazanuwe.weebly.com/uploads/1/3/2/6/132683097/5296153.pdf
- https://cdn.sqhk.co/loberutebe/jgggigb/flippity_fish_customer_service_phone_number.pdf
- http://axecheat5.xyz/buying_guide_macbookhknwu.pdf
- http://uanews.website/what_causes_high_intestinal_motilityfikb4.pdf
- http://seomagnat1.online/amman_tamil_movie_songs_tamiltunese2fnt.pdf
- https://verikadofaja.weebly.com/uploads/1/3/2/3/132303102/4407159.pdf
- http://huseyincanx.com/4075455346blyu4.pdf
- http://tiluvopira.medianewsonline.com/how_do_i_know_which_fitbit_versa_model_i_have.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://tavoxelelenasi.onlinewebshop.net/49588339970.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_off0000e5ce.bin` `6f0c712691511f475dc50578e99f0a49ccd8498df09f250201de585501a0b1e7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE5CE	4976 bytes
`font_01_sfnt_off0000f6c0.bin` `67c5068cecb9ff02a38ba1b4ff93ddcacb007457b57f5583acd5fa754c774798`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF6C0	10136 bytes

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