PDF malware analysis — malicious · 78e39e135b03411b

MALICIOUS

PDF

70.5 KB Created: 2021-03-20 14:39:34 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 68d1fe6736a6a38e3e2d9ae1ad4b1dbd SHA-1: ec1a4d6660bbb8d68c349d1f26b943ce6722ca5a SHA-256: 78e39e135b03411b8f233c03d3add08a9fba1217652f3ab03433a35fdd0d7726

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. The embedded URL and document body suggest a phishing or social engineering lure, aiming to trick users into downloading content. No scripts were extracted, but the presence of an external URI points to a potential download or redirection mechanism.

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://xezojetit.ru/wix?keyword=pokemon+book+pdf+download
- https://static.s123-cdn-static.com/uploads/4417119/normal_5fc89312a0a2b.pdf
- http://vabodulesofife.22web.org/canon_camera_connect_apk_old_version.pdf
- https://cdn-cms.f-static.net/uploads/4417418/normal_604b6dd6b20eb.pdf
- http://tiwirodizefa.iblogger.org/tegenedem.pdf
- https://cdn.sqhk.co/liguvikozo/NjcgciF/botefunitenatuki.pdf
- http://jipigebewojafof.22web.org/80451640643.pdf
- http://trokot-shtorki.online/how_to_make_a_table_in_wixi8lk1.pdf
- http://keepxufi.space/bulova_precisionist_98b229_review47a4g.pdf
- https://cdn.sqhk.co/wosepimi/fwgiBrd/piano_cat_tiles_room_designer.pdf
- http://tobowajoveza.iblogger.org/vatinovubiwafuwukavepaja.pdf
- http://tomirak.iblogger.org/43140452118.pdf
- https://static.s123-cdn-static.com/uploads/4390382/normal_5feb8ac572908.pdf
- http://rastet-malysh.ru/my_ride_65_installationia80c.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://bolatufor.epizy.com/moviz.pdf
- http://ridabus.epizy.com/losexuxosowikirolamumeda.pdf
- http://valamujunitun.epizy.com/50085870666.pdf
- http://zipupetaseze.epizy.com/43577785417.pdf
- http://luzoxone.epizy.com/69944824375.pdf
- http://relamelekubapan.epizy.com/pafuxusubafubowujibo.pdf
- http://rolozaj.epizy.com/south_baltimore_crime_report.pdf
- http://bepapogijarepub.rf.gd/radikalisme_agama_di_indonesia.pdf
- http://lugimes.epizy.com/que_sera_sera_ukulele_chords.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_off0000d6b3.bin` `6496168fa6148eebc9d5850aa5505c89df52eedc69491919dfd46fb94bfc53eb`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD6B3	5208 bytes
`font_01_sfnt_off0000e86c.bin` `7703b019fa61096dfc1955a97c4c2ff2f14c67d014a0535c1dfb5eba7f30a088`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE86C	10752 bytes

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