PDF malware analysis — malicious · 3197a1518ef1b080

MALICIOUS

PDF

73.3 KB Created: 2021-01-08 10:41:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-05

MD5: 3da86b58519178aabacea4dd921e2135 SHA-1: bf762de77736205e4aa5bee7c4c6f5e3be9f035b SHA-256: 3197a1518ef1b08083c3f55f074432230c28ad7bcc60c83d71fa7d85d84ef447

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-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://trafftec.ru/123?utm_term=melhor+agencia+de+seo+2017 PDF link annotation
- https://cdn.sqhk.co/lodikorep/hiFjixf/bingo_at_home_for_laptop.pdfIn PDF document text
- https://gifavunebaxagem.weebly.com/uploads/1/3/4/3/134358660/9957964.pdfIn PDF document text
- https://cdn.sqhk.co/zokuwagopole/cTrnijH/west_game_walkthrough.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/bidurudilidujug/ozeri_zk13-5pr_kitchen_scale_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d4aab181-b9cb-43a5-a9c5-dca1fbdc82f3/tiempos_lquidos_zygmunt_bauman.pdfIn PDF document text
- https://s3.amazonaws.com/sakaburepagase/types_of_lightning_arresters.pdfIn PDF document text
- https://s3.amazonaws.com/jupudizadid/platform_bed_frame_with_drawers_full.pdfIn PDF document text
- https://s3.amazonaws.com/dutimajizowa/houghton_mifflin_english_grade_3_worksheets.pdfIn PDF document text
- https://s3.amazonaws.com/mamukawaxatali/histria_da_carochinha.pdfIn PDF document text
- https://s3.amazonaws.com/liwara/ordering_fractions_with_unlike_denominators_worksheet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4b6124a6-f5e7-4a41-9a96-532533c60102/pete_carroll_plastic_surgery.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/56d2858f-a718-4227-9cd7-0e366f932cd6/73518809480.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_off0000dd0a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDD0A	5612 bytes
SHA-256: `dc7636f30dc7dcc159e4e4d6ffb82d66c38e563b2bb1d842866fde02e48c22e4`
`font_01_sfnt_off0000f02d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF02D	13348 bytes
SHA-256: `66f978f52b4455b244c0d1db218c8b6a0b71e17cf819552220808b47d442c150`

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