PDF malware analysis — malicious · c1be5f1facb91fa1

MALICIOUS

PDF

62.2 KB Created: 2020-11-13 05:23:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04

MD5: 1a222595387bec3c53a83e2d84eb1677 SHA-1: d509a6d365eda6a561f67fe7658fa521bba5deb9 SHA-256: c1be5f1facb91fa1bf918e31af528509a271a618f57006e6c31cd2c525d9aa75

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/123?utm_term=one+direction+you+%2526+i+chords PDF link annotation
- https://cdn-cms.f-static.net/uploads/4386330/normal_5fadd0c20fca2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368956/normal_5f9d35018bb40.pdfIn PDF document text
- https://widavobixi.weebly.com/uploads/1/3/4/4/134494271/xupadimavazura-potegugojiso.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367944/normal_5f87621a7e1ce.pdfIn PDF document text
- https://sokikafumuwo.weebly.com/uploads/1/3/4/6/134697409/wulajenazedofex.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/paropabaru/descargar_libro_para_aprender_ingls.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/562d8a11-7fd4-4eed-9e8c-2e4152b7ff32/45008517222.pdfIn PDF document text
- https://s3.amazonaws.com/toliwudalamem/co_ed_confidential_season_1.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a395e0b3-5d52-4e0d-bf55-170100e2447c/trial_of_ascendancy_locations.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/04ca4911-5569-4d6c-a031-5a27679a038a/ditazukaj.pdfIn PDF document text
- https://s3.amazonaws.com/zesotat/screen_door_portland_black_owned.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_off0000ba52.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBA52	4644 bytes
SHA-256: `7fe831d6a6cb03b3c3f89d59f51891e2586fc4b6b406b5b0becc7f10677968c0`
`font_01_sfnt_off0000ca33.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCA33	10148 bytes
SHA-256: `c7d2b1b484512119d2d880a6cc355833b41d311dde11bcb705534c3045ec11de`

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