PDF malware analysis — malicious · 92640de233dd4194

MALICIOUS

PDF

37.3 KB Created: 2020-11-07 06:54:25 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-01-23

MD5: a695c6f764e4ee0e9c3cf00694e11749 SHA-1: e56ababfc887b05d3844353fc47b6e9db3613b01 SHA-256: 92640de233dd419450ad93463b5428dbf8f0694df1c5ec38f793737db6114abc

76 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK

PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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://trafffi.ru/123?keyword=lexington+county+register+of+deeds+sc PDF link annotation
- https://cdn-cms.f-static.net/uploads/4390684/normal_5f97393c278c7.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/babetafaperaxov/download_root_master_apk.pdfIn PDF document text
- https://s3.amazonaws.com/sasufufa/2003_honda_civic_service_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2bdc94c0-6fd8-4ec3-9895-c67bf41f9646/tadafibefezoja.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9ba837f2-c224-4922-ac71-3cd79a5dabdd/mixelovizusizulupero.pdfIn PDF document text
- https://s3.amazonaws.com/penefelomiju/83781738741.pdfIn PDF document text
- https://s3.amazonaws.com/bakoloj/digivabekudipaf.pdfIn PDF document text
- https://s3.amazonaws.com/fazujo/rhythmic_notation_finale.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5f261a47-8ca1-4ca0-b19a-5e34b42af4c7/organelles_involved_in_energy_conversion_are.pdfIn PDF document text
- https://s3.amazonaws.com/rujabepifar/putajunusoziwasijetifug.pdfIn PDF document text
- https://s3.amazonaws.com/zidosozawok/kabulot.pdfIn PDF document text
- https://s3.amazonaws.com/fasanag/letavodev.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_off0000520c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x520C	5060 bytes
SHA-256: `717cdc683546070e31a320b535e8021b0c449b773d4c23addcf687d20e261045`
`font_01_sfnt_off0000636f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x636F	10128 bytes
SHA-256: `6cf6ca251ed0e5e49420114f7fd7c21711e2b7a00feee230a2c67b474219376d`

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