PDF malware analysis — malicious · 2ec9d08a497bc3be

MALICIOUS

PDF

84.4 KB Created: 2020-12-26 21:42:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-15

MD5: 11f874b46e670d6f9911022c276d8088 SHA-1: 92948c1571c880a3c0ab5d65a76c9ddc28bd319d SHA-256: 2ec9d08a497bc3be6253bebb260d7de070dfcd6d87051905a744490cffcbca39

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains an embedded URL that mimics a job search query, suggesting a social engineering lure. The presence of PDF_URI and EMBEDDED_URL heuristics further supports the malicious intent of directing users to external, potentially harmful, content.

Machine Learning

Nyx PDF Classifier malicious score 0.9995

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://traffnew.ru/strik?utm_term=entry+level+sports+management+jobs+near+me PDF link annotation
- https://cdn.sqhk.co/daboxazile/jaggjh6/53604467587.pdfIn PDF document text
- https://cdn.sqhk.co/vuzonabudad/yQYgcMO/61749161242.pdfIn PDF document text
- https://cdn.sqhk.co/bozadukopufu/YihqjiJ/dream_daddy_craig_minigame.pdfIn PDF document text
- https://cdn.sqhk.co/favejofu/GOm5Ajh/34797100856.pdfIn PDF document text
- https://cdn.sqhk.co/fawabanof/ififjfI/fenovivupal.pdfIn PDF document text
- https://cdn.sqhk.co/tiwumixe/iWiciaL/the_wolf_among_us_episode_2_trailer.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/7a0793e5-167c-45bc-b730-4384beab26d2/28937427720.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/54c95ac8-bd59-4068-b643-801616ddde49/demudunesavunaxek.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/49761117-3389-4ff6-a153-1d52ec3878ef/tedopobozofuzosu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d517c464-86e0-435c-9234-b44c87442fd9/95537702611.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_off00010d28.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10D28	5472 bytes
SHA-256: `56a97f239157a237fd312584d58da82b0fb0c53dfa2c9439789b51d1f7a9f090`
`font_01_sfnt_off00011fc3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11FC3	10884 bytes
SHA-256: `0a0a946f277db62d349b88fe5e895762b2808579df5a48ccb23e3e27af997d24`

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