PDF malware analysis — malicious · dd2d9ac79d8cdb8b

MALICIOUS

PDF

88.1 KB Created: 2021-02-14 00:17:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 97ad57fc5d3261163e66abfd839e9c72 SHA-1: e2e28f3603be679c15a0fb1a4b8f8acb8fa8a763 SHA-256: dd2d9ac79d8cdb8bc9f5a58886f70a48f562a2810fefba33cccfaa5d6852d71a

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains a heuristic firing for an external URI pointing to a suspicious domain, which is also listed as an IOC. The ML classifier and ClamAV detection strongly indicate maliciousness, likely related to phishing or malware distribution. The embedded URL suggests a social engineering lure to trick users into visiting a compromised site.

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://leonvi.ru/wix?keyword=jack+frost+x+reader+lemon
- https://cdn.sqhk.co/pixafosabow/HieXPiW/912574186.pdf
- https://cdn.sqhk.co/lojulifuvuxu/iegihcw/international_facetime_calls_t_mobile.pdf
- https://cdn.sqhk.co/lagazowasobo/qc6jhhj/dragonvale_epic_dragons_past_level_10.pdf
- https://cdn.sqhk.co/posogamumut/giZsZlf/boxing_star_apk_mod_2._1._3.pdf
- https://cdn-cms.f-static.net/uploads/4366354/normal_600eb1973d12b.pdf
- https://cdn.sqhk.co/vixuwegijelo/3AidgfY/pubagirilopoli.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/satulibaren/lake_ontario_bass_fishing_guides.pdf
- https://s3.amazonaws.com/zamemigojat/missguided_christina_aguilera_costume.pdf
- https://s3.amazonaws.com/defujo/34406362564.pdf
- https://s3.amazonaws.com/jozetej/32763764915.pdf
- https://s3.amazonaws.com/xeponodij/documentary_heaven_apk.pdf
- https://s3.amazonaws.com/pisedij/font_bonbon_bold.pdf
- https://s3.amazonaws.com/fasudikek/aa_flight_587_ntsb_report.pdf
- https://s3.amazonaws.com/wunojipu/14454164434.pdf
- https://s3.amazonaws.com/fomudebipefasu/risolavawunu.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
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0001076f.bin` `04ef06a488bd50ee31ead17232820011f898291e03727ab7b086770417846f21`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1076F	5288 bytes
`font_01_sfnt_off00011962.bin` `5d3f36100507769efbe967e1268c74d8cad947222f1ee5758a8873e6b9ffd4ec`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11962	10116 bytes
`font_02_sfnt_off00013c2f.bin` `de3f177a729980414c1bf9d278c4d5e2a5f7c7ebdf815549b706333ce35ad2b9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x13C2F	16564 bytes

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