PDF malware analysis — malicious · d22aa7e7ea380431

MALICIOUS

PDF

75.0 KB Created: 2021-04-07 15:28:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 4b3f3bcb549cb8d025333dcbf4eee151 SHA-1: 6cb48fd8741915ac505d1dcb908d00242cdaeb9a SHA-256: d22aa7e7ea380431562cb70076a660d661d05f67eb87b919154e33a23f9e508d

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains an embedded URL that mimics a search result for 'solitaire free windows xp', likely intended to trick users into clicking it. The ML classifier and ClamAV detection strongly indicate malicious intent. The primary URL, https://xezojetit.ru/123?utm_term=solitaire++free+windows+xp, is the most prominent IOC, suggesting a phishing or malware distribution attempt.

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://xezojetit.ru/123?utm_term=solitaire++free+windows+xp
- http://strita.space/sixukisakojgnlk.pdf
- http://characduwe.space/principios_de_administracion_financibct9a.pdf
- https://cdn.sqhk.co/lunexubafexo/hEiPFjd/30906234019.pdf
- https://cdn.sqhk.co/wodelaganav/jsiiB1A/97814426336.pdf
- https://cdn.sqhk.co/jabosuve/xjeiihb/loop_diuretics_drugs_uses.pdf
- http://gratoraama.website/xakawogidogexelesagoxayjfpt.pdf
- https://cdn.sqhk.co/pefibovip/cjG5bia/world_edit_minecraft_1._16._3_download.pdf
- http://testertumentum.space/character_sketch_of_j_alfred_prufrockq6kkp.pdf
- https://cdn.sqhk.co/gutifusuf/jejavgc/pavilion_mancala_instructions.pdf
- https://cdn.sqhk.co/luzigagoguna/8UCohcb/95342618784.pdf
- https://cdn.sqhk.co/zolilobup/bH1Ck2S/damanjodi_d_virus_dance_group.pdf
- http://gufutaca1.xyz/39572260578emejs.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://1b2c4efd-c8eb-4b04-b26f-b9154d704720.filesusr.com/ugd/d3758e_490033fdaede47de9ba8783b9afab523.pdf?index=true
- https://99442e0c-e188-470f-b1e9-a2082f9e7f28.filesusr.com/ugd/2274a7_be7832e25f2346a0a67538cffcfc103c.pdf?index=true
- http://xojakejib.epizy.com/android_app_source_code_buy_online.pdf
- https://d1b33a7b-cde1-45d4-bc15-d4d3b6236ac5.filesusr.com/ugd/1d64af_3cddc5ac424845a2bb8318c558ed92ed.pdf?index=true
- http://nixuverojezuluz.epizy.com/45997969249.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_off0000e7d6.bin` `43abeaa11ad80c729f907e296af6068f170704d7ac7ae00b248c271417ea60a0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE7D6	5296 bytes
`font_01_sfnt_off0000fa04.bin` `734854adee85ed7a2c1bbfb5e053360cc034a8b6041f6cc0b5f2204818599c20`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFA04	11164 bytes

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