PDF malware analysis — malicious · e18189a421b293ae

MALICIOUS

PDF

75.6 KB Created: 2021-01-15 05:24:26 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-02

MD5: 20b07fb94d2de221b669eb0caae0912c SHA-1: 2c9eed18b54126fbfe56e8a2ad8c9a50f803b1a2 SHA-256: e18189a421b293ae7084f9f1dd547363d00e6b5079913c7badf0b5366a9472aa

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is a PDF document flagged by ClamAV as a phishing trojan. It contains an embedded URL, 'https://trafficel.ru/aws?utm_term=juniper+switches+datasheet', which is likely used to redirect the user to a malicious site. The ML classifier also strongly indicated maliciousness, supporting the phishing attack pattern.

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://trafficel.ru/aws?utm_term=juniper+switches+datasheet PDF link annotation
- https://site-1174141.mozfiles.com/files/1174141/megalovania_virtual_piano_sheet_easy.pdfIn PDF document text
- https://site-1247015.mozfiles.com/files/1247015/mcent_browser_mod_apk_app.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367631/normal_5f882f90aaad8.pdfIn PDF document text
- https://site-1202636.mozfiles.com/files/1202636/weekend_jobs_hiring_now_near_me.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4450046/normal_5ffb059ac0617.pdfIn PDF document text
- https://site-1199973.mozfiles.com/files/1199973/deductive_and_inductive_research.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/fapaga/gazigebamitorabodume.pdfIn PDF document text
- https://s3.amazonaws.com/fajeloninesitel/apk_sims_freeplay_hack.pdfIn PDF document text
- https://s3.amazonaws.com/gotijejaj/tusaguf.pdfIn PDF document text
- https://s3.amazonaws.com/sevoga/5877474451.pdfIn PDF document text
- https://s3.amazonaws.com/donarepemi/kedumegefuwurumo.pdfIn PDF document text
- https://s3.amazonaws.com/rubidokezive/maths_grade_12_caps_textbook.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_off0000eaf4.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEAF4	5212 bytes
SHA-256: `cd70129c06ed6a1d0f615f5c1b9c41612721d51ad6d2264d881aad42faef7e03`
`font_01_sfnt_off0000fcb5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFCB5	10784 bytes
SHA-256: `44191e3813040eee8837d99e6f1ed3422d963dbb28df1b768c5f78f025fa8cb7`

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