PDF malware analysis — malicious · 25bf9ef5349a057c

MALICIOUS

PDF

73.2 KB Created: 2021-03-31 05:05:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 5753b43f3d5b2eb270d0b3fdedcf2f8e SHA-1: 990bc83ce093ef643c11cc37738b5165f7f78d12 SHA-256: 25bf9ef5349a057c7ef019c64f8065c87a67f060576fc538be3ed24df1bd3270

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains an embedded URI pointing to a phishing website, as indicated by the PDF_URI heuristic and ClamAV detection. The ML classifier also flagged this PDF with high confidence. The presence of external URIs suggests an attempt to redirect the user to a malicious site, likely for credential harvesting or malware distribution.

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://vilenefex.ru/wix?keyword=maya+banks+pdf+gratis
- http://reawolt.online/sears_16_scroll_saw_manualxo1yl.pdf
- http://iclod.tech/how_to_carry_out_multivariate_analysisl25gs.pdf
- https://cdn.sqhk.co/mezutorixo/V7oHDN7/dipafutozudeb.pdf
- https://cdn.sqhk.co/lukapokobejo/ji91jaD/kaxuxobobesoguboxisiguzan.pdf
- http://mizizufiku.mywebcommunity.org/maserati_granturismo_mc_coupe.pdf
- http://nepoxiduvilej.scienceontheweb.net/cambridge_english_advanced_result_2020.pdf
- https://cdn.sqhk.co/ferudati/iidhjrs/kuvifuxuna.pdf
- http://wumewil.sportsontheweb.net/70939990542.pdf
- http://optamorem.com/baptism_of_fire_meaning_in_marathip5x5u.pdf
- http://jidudilubad.mygamesonline.org/minunatele_ispravi_ale_lui_tartarin_din_tarascon.pdf
- http://bluebadgeapproval.com/677046534705j0e2.pdf
- http://file-id.ru/website_template_for_graphic_designersy669f.pdf
- http://swiss-family.space/summary_of_a_random_walk_down_wall_streetq1t3b.pdf
- https://cdn.sqhk.co/gupikekarobo/egfbK5E/cooking_fever_pc_full_version.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://s3.amazonaws.com/lixisariwulo/how_do_you_multiply_scientific_notation_on_a_calculator.pdf
- https://s3.amazonaws.com/mawesenasijoser/98590099865.pdf
- http://tikomiwewo.atwebpages.com/les_accords_d_evian.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000d58b.bin` `ad04fc43b393445ca208467aa060d9bba1d525f0109f8ce0bc6be63addfcf472`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD58B	5048 bytes
`font_01_sfnt_off0000e6be.bin` `104721b76d58584880e01f1d6fcdb8fa6ace290e3d5661f60fd8d149634e7f20`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE6BE	10828 bytes
`font_02_sfnt_off000109f5.bin` `7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x109F5	4324 bytes

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