PDF malware analysis — malicious · 6a0ea785808098ee

MALICIOUS

PDF

46.4 KB Created: 2020-10-27 16:56:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04

MD5: e02ed91cf91ebe7a82afb079ed25c4e3 SHA-1: 9fa5109ad9f11b6502bbaaa42fef96bca77554ee SHA-256: 6a0ea785808098ee7bb8042419daec553aff1124a5f67782c5102e843ca49ae5

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm and 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 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.
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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=sexy+body+pillow In PDF document text
- https://sonefuvik.weebly.com/uploads/1/3/4/3/134325549/pabosuseb_gibidoje_golixux_jeverorelu.pdfIn PDF document text
- https://sakuvajavabese.weebly.com/uploads/1/3/1/3/131383602/xasizexowosironitoro.pdfIn PDF document text
- https://tazejoga.weebly.com/uploads/1/3/1/3/131383942/bb29deb28.pdfIn PDF document text
- https://jezaxegare.weebly.com/uploads/1/3/1/3/131380636/xelabodiko.pdfIn PDF document text
- https://nigupisotaku.weebly.com/uploads/1/3/4/3/134374455/280794.pdfIn PDF document text
- https://zesopupejilit.weebly.com/uploads/1/3/0/7/130738861/riwidovotasefud.pdfIn PDF document text
- https://xuvarilanagore.weebly.com/uploads/1/3/4/4/134470983/810966.pdfIn PDF document text
- https://fakimodixoto.weebly.com/uploads/1/3/0/7/130739088/rezumojen.pdfIn PDF document text
- https://vaxedokumam.weebly.com/uploads/1/3/4/2/134266394/zumupigafobawe.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/wiwamoxamo/cinderella_story_script.pdfIn PDF document text
- https://s3.amazonaws.com/vidadaviwal/definicion_humanismo_psicologia.pdfIn PDF document text
- https://s3.amazonaws.com/zuses/bags_groove_miles_davis.pdfIn PDF document text
- https://s3.amazonaws.com/vukusa/anatomie_du_coeur_paces.pdfIn PDF document text
- https://s3.amazonaws.com/pesetufavo/anexos_embrionarios_humanos_e_suas_funoes.pdfIn PDF document text
- https://s3.amazonaws.com/degagaziv/36367726057.pdfIn PDF document text
- https://s3.amazonaws.com/sedimeraxufi/milewotolibevolukixero.pdfIn PDF document text
- https://s3.amazonaws.com/wonoti/23282101062.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/01a6b876-af24-4026-9542-df7b2afe83e6/sasuro.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/024cc42e-bab0-4da7-80af-be5c0c8fbcf7/17026835654.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/67566e6c-b984-4848-80f8-dc210ec7a9cb/sazif.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b2efc3c4-434e-4664-9569-787685a476b6/91498437527.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/254af960-c864-4447-8266-4b41bea26ce4/map_of_europe_before_ww1.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_off00006b9b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6B9B	4576 bytes
SHA-256: `df1a2c47edc49cd7249870dfbf548871632afd7ff74a4f7cf9ec72cd70ba55e0`
`font_01_sfnt_off00007b37.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7B37	10356 bytes
SHA-256: `db80038bf6d69379d4cd2f0bd06b4cf0742d2a88a9d9cfe24f61888540e3542c`
`font_02_sfnt_off00009e40.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9E40	4324 bytes
SHA-256: `4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3`

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