PDF malware analysis — malicious · 46cf9e30783e07b6

MALICIOUS

PDF

223.0 KB Created: 2020-10-25 09:53:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04

MD5: 7caec4a9294d7c783f62c5d6e83e4687 SHA-1: 21569e898ee3451dde642bf5620a9f9e07973bdc SHA-256: 46cf9e30783e07b6f7a53902b9ee9ff3f37f1c05fa736500d1b4d577e36c7aa8

102 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. It uses an urgency-based lure. 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 0.9978

Heuristics 4

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.
Urgency / deadline lure low SE_URGENCY_LURE

Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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://ttraff.cc/123?keyword=instructional+techniques+in+teaching In PDF document text
- https://ziripovopibew.weebly.com/uploads/1/3/0/8/130874468/585d7736321.pdfIn PDF document text
- https://wefamojugibe.weebly.com/uploads/1/3/1/1/131164519/cfad1d.pdfIn PDF document text
- https://nogomikosisodop.weebly.com/uploads/1/3/2/6/132681488/0cab35da0b1.pdfIn PDF document text
- https://jopalezaleloloj.weebly.com/uploads/1/3/1/3/131380469/luziguzipopujimobaz.pdfIn PDF document text
- https://saxexowiki.weebly.com/uploads/1/3/0/9/130969873/kedelowozaxum.pdfIn PDF document text
- https://wurikosaradusif.weebly.com/uploads/1/3/1/3/131384544/gatazezizujebap.pdfIn PDF document text
- https://sanuvexugivi.weebly.com/uploads/1/3/1/6/131606490/d941398337.pdfIn PDF document text
- https://lixaworone.weebly.com/uploads/1/3/1/8/131871871/wimizuniku.pdfIn PDF document text
- https://saloramorolo.weebly.com/uploads/1/3/4/3/134307331/7543360.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/c314dee1-8f95-4866-b3a9-8382228c24bf/rekebakesuxokebup.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fdf4e273-8ef6-4de3-b136-8cdb410b6c8c/ps4_pro_serial_number.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/50ea7533-d538-4a3f-9d36-180a8e111df3/mojojegomefip.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6e46ac21-d3b9-4d66-8072-c4a132da92de/clasificacion_de_kennedy_y_subdivisiones.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b0409493-b99a-4364-b52e-3a7623fd6f5c/zevajururideguwotad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0496/8012/2008/files/35190010503.pdfIn PDF document text
- https://s3.amazonaws.com/susopuzupure/business_proposal_outline.pdfIn PDF document text
- https://s3.amazonaws.com/moduxanakuri/gold_jewellery_design_catalogue.pdfIn PDF document text
- https://s3.amazonaws.com/tugumeb/vowarakofafataliterivupe.pdfIn PDF document text
- https://s3.amazonaws.com/fatikonavori/28713672005.pdfIn PDF document text
- https://s3.amazonaws.com/xapidajovaji/xezefopeseganasebuwu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/db5d662f-7458-44de-b892-c1ba6b568362/janeduguraji.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e2de1295-4d75-4955-9b43-5e0311316819/15869781862.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/09b5a8c4-75fd-441a-9f50-3b6763c934fc/30654143123.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0eefe082-3dfe-4b2b-ab7c-4e7959ac38a4/wedapeb.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2f2f2ce8-45f4-4489-8b4d-a05da1e037c5/wupidatididemib.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0002c8cc.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2C8CC	34404 bytes
SHA-256: `b1da254d8b4bc36ad29abb02299de8b629c1432a35daa6e82cd71da0dc1ea6de`
`font_01_sfnt_off000333b2.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x333B2	5124 bytes
SHA-256: `8fa158d42ccd6a88fd1b9b3c40b86f4284eee68460627e91bd7a0829bfa75d12`
`font_02_sfnt_off00034518.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x34518	11656 bytes
SHA-256: `5c2b45f071fd8600afddedb58f22df8f6d04dba33f9c8e3348c53268ec9a3d16`

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