PDF malware analysis — malicious · f5698b8e49bac7f1

MALICIOUS

PDF

77.7 KB Created: 2021-03-02 00:52:44 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 708add534c975b1c73d679a49a07c28d SHA-1: 2efb3ea47101998a87e130ae0b10862dc4d63836 SHA-256: f5698b8e49bac7f1037946e5ab2efe8d67d4f447b4fa5356e6a986ea4f31f081

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was flagged as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. The embedded URL suggests a phishing or social engineering lure, likely attempting to trick the user into believing they are accessing legitimate content. The PDF structure and content, though partially obfuscated, point towards a phishing attack.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

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://maypoin.ru/wix?keyword=bissell+proheat+turbo+manual
- http://rodina38.ru/how_much_is_the_joining_fee_for_planet_fitnessfi4v1.pdf
- https://static.s123-cdn-static.com/uploads/4365541/normal_5ffc4fba433fd.pdf
- http://serdyukov.pro/manageengine_servicedesk_plus_9._4_admin_guideb3kyd.pdf
- https://cdn-cms.f-static.net/uploads/4423133/normal_5fd6568952160.pdf
- https://cdn-cms.f-static.net/uploads/4369150/normal_5fd0aec701683.pdf
- https://static.s123-cdn-static.com/uploads/4453100/normal_60082caae6798.pdf
- http://magnifioco.site/2005_mercury_9.9_4_stroke_for_sale807zh.pdf
- http://sbrf.link/top_gear_top_hot_hatchbacksyetpd.pdf
- http://iglivesupportteam.com/how_colour_affects_heat_absorptionpn1j3.pdf
- http://maewallace.com/chhadmabeshi_bengali_movie_freelbm1a.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/lakujusitejojet/18414935530.pdf
- http://wadoromutisagar.myartsonline.com/49910032617.pdf
- https://s3.amazonaws.com/wegugus/loz_link_s_awakening_switch_guide.pdf
- https://s3.amazonaws.com/lonozote/lion_the_witch_and_the_wardrobe_cast_1988.pdf
- https://s3.amazonaws.com/tafogusegabomu/kasikikarugodasolezolo.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://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
- http://scripts.sil.org/OFL

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_004_off0000fe9d.bin` `957355c08eea5eb9a5a0464226a1ce6ba4254160f44917fdd0d2d9f70374bc20`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0xFE9D	23304 bytes
`font_00_sfnt_off0000cae8.bin` `05ebdfb1ff50f2429061917f933552cc0bb859fede697418a5d60ed6c5c7e43a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCAE8	5248 bytes
`font_01_sfnt_off0000dc8c.bin` `f66f85d7522eaef5c7e7c6b35d4a29b0f09de7c5b7a0d5db168d208f4a6a01ee`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDC8C	9896 bytes

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