PDF malware analysis — malicious · e84ce6082875814e

MALICIOUS

PDF

64.6 KB Created: 2020-12-18 00:06:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04

MD5: 1002de4d617c73a2769427a9233ec7e6 SHA-1: 125797f0e7b504f671834e388a8966294b6e3a79 SHA-256: e84ce6082875814eaa7f711e317af9e5ee3a1463fff9b080d90fe6da40a86e9c

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 0.9996

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://trafftec.ru/strik?utm_term=behavioral+observation+and+screening+study+guide+answers PDF link annotation
- https://cdn-cms.f-static.net/uploads/4425772/normal_5fbee22b93ff0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4405950/normal_5fbc98708d9b2.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/33ec237a-4ac3-4362-8127-c8ce77b5551c/56711417586.pdfIn PDF document text
- https://s3.amazonaws.com/marimejerebo/amortization_schedule_calculator.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e87304bd-9835-4861-ad9f-4a54952af43f/lg_direct_drive_dishwasher_error_code_cl.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8d7e9012-ebe1-4cb9-858c-75ea91d202c9/gunuvoxibobekipatifipase.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1571246f-4df6-4a15-8899-221ab551170b/pijewegaxibanovalunugup.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/45ee9da9-ced7-4d6a-b5e4-4c481a995977/3027161472.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc50ae4a13a450bab0f051b/t/5fc7914056cd4459b3bc4673/1606914370407/85842846875.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc0f5161452f90b7fe5ab7f/t/5fc8805892e74531f3cd9763/1606975578968/funny_charades_ideas_tagalog.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_off0000c2c8.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC2C8	5644 bytes
SHA-256: `8a6de0555b20adc6718800a993e7880df097c9b0a16f75184159e11de112698e`
`font_01_sfnt_off0000d60f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD60F	9260 bytes
SHA-256: `e90d9726691158499b9cd2e124eab32490c1e8616e40c5eae960688849fc6e3f`

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