PDF malware analysis — malicious · 042980c335784a23

MALICIOUS

PDF

69.9 KB Created: 2020-11-23 07:27:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-14

MD5: 4f6540c2a6178b00da5dd55c27422d88 SHA-1: 25401892d9443f77c538498603ef9abf664ebb67 SHA-256: 042980c335784a23b2bc47481514406253d484846479f5a85d8ccd1c966231b1

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was flagged as malicious by a machine learning classifier and ClamAV. It contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a phishing or malware distribution site. The document body, though heavily obfuscated, suggests a lure related to a calendar template, which is a common tactic for phishing campaigns.

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://traffset.ru/wb?keyword=free%20calendar%20template%20june%202018 PDF link annotation
- https://pumoguviponurin.weebly.com/uploads/1/3/4/7/134773216/e76b7e87fb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369505/normal_5f90dbdb04679.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409113/normal_5f9adecf4a9cf.pdfIn PDF document text
- https://nagorulanol.weebly.com/uploads/1/3/4/4/134465391/03d5f59cda03.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409840/normal_5fb28f8647500.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376099/normal_5f8ba9517df8d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369494/normal_5f8ab221d492c.pdfIn PDF document text
- https://duzikasaropofe.weebly.com/uploads/1/3/4/4/134489835/09ada430f6.pdfIn PDF document text
- https://gumebasa.weebly.com/uploads/1/3/4/5/134509515/5896776.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414342/normal_5fb2bd0e9374b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366385/normal_5f8f4bbc43c70.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/zifozujiwi/lovoton.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_off0000d1b9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD1B9	5592 bytes
SHA-256: `9d33980f695afcb633dc33b7bab98e7934ab76653bc83222b58edfcd1e967b57`
`font_01_sfnt_off0000e4ae.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE4AE	11348 bytes
SHA-256: `a12368f6649624f55d2fb8a2cb7b73be4f0e6038cf41682d4d22e330c26f988f`

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