PDF malware analysis — malicious · cd173bfde8bd955a

MALICIOUS

PDF

70.0 KB Created: 2021-01-06 20:54:06 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18

MD5: 5a3260898e5798f2bedd484bc179ad4c SHA-1: 3c7ed658afd786fafbd90bb53659cf6a8adc2d7f SHA-256: cd173bfde8bd955a10fe635abbbfd428d1821e38ad9b558fea4337705e129723

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

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://traffking.ru/aws?utm_term=angry+birds+2+hack+apk+free PDF link annotation
- https://cdn.sqhk.co/xezojutatow/hcx83hf/theodore_roosevelt_boxing.pdfIn PDF document text
- https://cdn.sqhk.co/gudopokobipa/ichj7ij/mubedi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369501/normal_5f8af131804dd.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/kugelilizibuwum/48492033710.pdfIn PDF document text
- https://s3.amazonaws.com/begijufadi/14685479683.pdfIn PDF document text
- https://s3.amazonaws.com/tawosutosuxi/my_giza_dreams_sheets_thread_count.pdfIn PDF document text
- https://s3.amazonaws.com/wetevali/61462917913.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3a2cea18-c101-4026-a104-8e5943d7364c/diseo_de_intercambiadores_de_calor_de_coraza_y_tubos.pdfIn PDF document text
- https://s3.amazonaws.com/wunupalezozerud/89718144194.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0a158a01-637c-40e2-ad84-0a09410ce128/ftdi_diet_meal_plan.pdfIn PDF document text
- https://s3.amazonaws.com/tamobalasu/foxfire_book_1.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/06f93f84-310b-4f94-a32d-24465b8fd7e0/79638775850.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000d3aa.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD3AA	5812 bytes
SHA-256: `9236bac0fbf74dcea5a95fe4289e7d70d1d91d7f5807f37bbfad6a1ac0c020e8`
`font_01_sfnt_off0000e780.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE780	10592 bytes
SHA-256: `336af7107c76fa890c420e70f87fd25fcfad344ed034bb6649e0f123802bc8ad`

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