PDF malware analysis — malicious · 7435d0e96cd3b507

MALICIOUS

PDF

68.3 KB Created: 2020-11-25 09:08:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-05

MD5: d41036a2df557ebd8af20afd4f15af4d SHA-1: b4102925913b85f6552f62dfbbd4a21eb2398f55 SHA-256: 7435d0e96cd3b50711a9703808d1276979273cd904f8e3a77aa224da3fcbfbfe

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 0.9998

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://trafffi.ru/strik?utm_term=world+regional+geography+7th+edition+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4381973/normal_5f9f6012d1d6b.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/wazorixekunafob/empi_select_tens_unit_manual.pdfIn PDF document text
- https://s3.amazonaws.com/tuletivotarupu/flow_sheet_diagram_synonym.pdfIn PDF document text
- https://s3.amazonaws.com/tedowafomaru/download_spotify_apk_premium_for_pc.pdfIn PDF document text
- https://s3.amazonaws.com/xanebavifamopez/rakidabefe.pdfIn PDF document text
- https://s3.amazonaws.com/xanunafojuloki/food_chain_worksheet_ks3.pdfIn PDF document text
- https://s3.amazonaws.com/nazekisigiduz/radoserugufakuriwajo.pdfIn PDF document text
- https://s3.amazonaws.com/zazelujeju/borislav_stankovic_necista_krv.pdfIn PDF document text
- https://s3.amazonaws.com/wizedumi/piedmont_region_of_georgia_map.pdfIn PDF document text
- https://s3.amazonaws.com/loxopudizus/kapujagufizogujitor.pdfIn PDF document text
- https://s3.amazonaws.com/busutafitufe/85021250605.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/da67b20d-0227-4e07-809c-3aaed8ccfb74/scada_definition.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f1b3cfbb-48ab-47d7-b80c-621357242722/xubowulokukomamoludewawo.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_off0000cdda.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCDDA	5320 bytes
SHA-256: `84c0abbbc1d9b168a7805d4e7df3eb80e4ae85bc8cacf5ad690401947a88665c`
`font_01_sfnt_off0000e00b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE00B	10640 bytes
SHA-256: `b0218c822a5e1dd45c1e96df3a895d906aae751b44e6dc476875707bd5e1ea8a`

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