PDF malware analysis — malicious · 3e1ec982a79d20c5

MALICIOUS

PDF

46.2 KB Created: 2020-11-03 23:37:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02

MD5: 27173a2ae75dc52ca8c043ec8ca7f2eb SHA-1: 97dd83557fb74fc1194dfc517d5e173191b710b1 SHA-256: 3e1ec982a79d20c5f95ca674cb2731f1247a8e6bb3d90f9c36ab5d7ed41ccd5a

94 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 3

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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://gettraff.ru/strik?keyword=dell+starlord+17+laptop+user+manual In PDF document text
- https://sakukavazu.weebly.com/uploads/1/3/1/3/131379729/dbf85.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383791/normal_5f901e461b7a1.pdfIn PDF document text
- https://mogezisatizate.weebly.com/uploads/1/3/0/7/130775403/nenabiwegit.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/ratixifo/free_sniper_games_unblocked.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/aa9e39ee-67bf-4477-aa83-610b5b7588e1/www_dj_songs_telugu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0c12efac-22f3-4111-a713-237aeb8fef70/magijuxasilimewak.pdfIn PDF document text
- https://s3.amazonaws.com/vapelurowar/23537346675.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/14fc3a81-0b2f-4cd7-a107-f38c82c6919b/wamevezovuf.pdfIn PDF document text
- https://s3.amazonaws.com/levumoduf/eyes_are_watching_god_characters.pdfIn PDF document text
- https://s3.amazonaws.com/likadojivivofu/names_of_animal_groups_worksheet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e92b0818-b609-4591-b3a0-75b7f11d0a6a/ben_steele_wwii.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_off00007546.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7546	5236 bytes
SHA-256: `f4fc1e6414a2cbd05863e9c4451095b25b13a0c6b3794d41aff7765f5885a95e`
`font_01_sfnt_off0000870d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x870D	10852 bytes
SHA-256: `be3fc217bf47913d38cab5d9750344b5361e32fc0bad7c83d198281de7f80cc9`

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