PDF malware analysis — malicious · 626ad9f4f06a21c8

MALICIOUS

PDF

81.2 KB Created: 2021-02-12 01:57:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22

MD5: ebb8af3d8eb1c8567ad30d248b16fd9a SHA-1: 4c36070103ef0568fda7615cb7b214d031e701e0 SHA-256: 626ad9f4f06a21c83a985c4dbb2f014bce9c6d7a2ec139c6fe7d907919903591

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is a PDF document that contains an embedded URL. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. The embedded URL is the primary indicator of compromise, suggesting an attempt to redirect the user to a malicious site.

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://jottigo.ru/123?utm_term=landscape+with+the+fall+of+icarus+poem+meaning PDF link annotation
- https://cdn.sqhk.co/pifonode/WDhefKb/dipupozepivowopik.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459784/normal_601ccda9179ef.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4479433/normal_5fec470cd9352.pdfIn PDF document text
- https://cdn.sqhk.co/xujuvotu/jichanJ/1547765596.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382197/normal_5fd1076d63bc5.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/bejenosugede/axe_signature_gold_ringtone.pdfIn PDF document text
- https://s3.amazonaws.com/musokejixami/legevinaluxenaja.pdfIn PDF document text
- https://s3.amazonaws.com/patotale/uc_browser_tv_online_gratis.pdfIn PDF document text
- https://s3.amazonaws.com/pazovugal/nonibenevok.pdfIn PDF document text
- https://s3.amazonaws.com/vufupu/anchor_chain_guide_roller.pdfIn PDF document text
- https://s3.amazonaws.com/poguvelefa/83450045471.pdfIn PDF document text
- https://s3.amazonaws.com/luxaduzimase/78646153475.pdfIn PDF document text
- https://s3.amazonaws.com/wozoxub/2276091133.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_off00010194.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10194	5604 bytes
SHA-256: `b9b45b3b39db87fc7b205b35da49ab935541f8e84e705e4bf1e619411e49c190`
`font_01_sfnt_off0001148f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1148F	10300 bytes
SHA-256: `7eee069c4aeafc140f9c06351bcb7d9c6a6f7c08063e55991166153e89920254`

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