PDF malware analysis — malicious · 6089ff859b32825c

MALICIOUS

PDF

75.3 KB Created: 2021-02-27 04:37:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 797c897145a73a51597daceb3e3b633e SHA-1: 8f9584d7b7c5c03231063d80c3b3b3784342699e SHA-256: 6089ff859b32825c7874296fca76adee12368399e5e125af06c0cfd355e292f7

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to 'https://dafemum.ru/wix?keyword=scp+clearance+levels', which is likely a phishing lure. The presence of multiple embedded URLs and the nature of the ClamAV detection (Pdf.Phishing.Trojan) strongly suggest a phishing or credential harvesting campaign.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

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://dafemum.ru/wix?keyword=scp+clearance+levels
- http://firstdoctor.xyz/city_car_driving_ps4_download_2018yry6l.pdf
- http://pozijuza.scienceontheweb.net/dimitilugifajiwebuvox.pdf
- https://tuzunogosur.weebly.com/uploads/1/3/0/8/130815213/04ffbaee87.pdf
- http://insurancesouk.com/dr_morepen_glucometer_manualxfa2j.pdf
- http://copyright-help-report.com/does_ryobi_make_good_pressure_washers502ul.pdf
- http://vizilirudigub.getenjoyment.net/old_school_hip_hop_dance_names.pdf
- http://lazerepil.site/bizantino_arquitecturaotuiz.pdf
- http://dlkmvkoenv.info/nlt_audio_bible_download_mp3iim4f.pdf
- http://begdas.fun/proctor_modificado_aashto_t_18010mqz.pdf
- http://reduslim-officialsite.site/59373997983lo1vb.pdf
- http://avbox.org/77158993411rwfjo.pdf
- http://creditactive.info/bifarubefugetusamagf8ll.pdf
- http://giwapozolaleg.mypressonline.com/kafezexit.pdf
- http://helpcreditscore.info/61300534988gj2wa.pdf
- http://smartbright.club/ffvideosource_avisynth_pluginla7sz.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://jeborawaleko.atwebpages.com/paint_net_online.pdf
- http://juludiripo.myartsonline.com/what_was_the_outcome_of_the_treaty_of_guadalupe_hidalgo_group_of_answer_choices.pdf
- http://sidepojedava.myartsonline.com/london_stock_exchange_close_time_today.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_off0000ec87.bin` `4f31f6ae18750d97df552de3fbd71b9ac797245fb0a10799b696d0149bb461c8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEC87	5088 bytes
`font_01_sfnt_off0000fdf0.bin` `9767ae3643e32a0b2c6144b75ebcdb71a1849d216a13df071b47000b89fbcbe9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFDF0	9880 bytes

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