PDF malware analysis — malicious · 0e1fd7681d13c1f6

MALICIOUS

PDF

44.7 KB Created: 2020-10-28 06:07:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-07

MD5: b0ae12b001b4095b6e158c6f64985fdf SHA-1: 29842ff1ad776f975db99de0b6f3075d6e22f961 SHA-256: 0e1fd7681d13c1f66c81f96ea1cd2457f9faa647ec9dc94b8cfc95d159338141

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, many of which point to redirector infrastructure and link farms, indicating a malicious intent to drive traffic to potentially harmful sites. The primary URL identified is a redirector, suggesting an attempt to obscure the final destination and potentially deliver a second-stage payload. The ML classifier also strongly indicated maliciousness.

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://ttraff.club/pify?keyword=the+escapist+craft+guide In PDF document text
- https://saxibodusazo.weebly.com/uploads/1/3/0/7/130740440/pomabiverejifodetini.pdfIn PDF document text
- https://xoraxabaxid.weebly.com/uploads/1/3/2/6/132682630/4a38ae.pdfIn PDF document text
- https://rinumobepora.weebly.com/uploads/1/3/4/3/134377952/7738134.pdfIn PDF document text
- https://rabifupokuwu.weebly.com/uploads/1/3/1/1/131164250/jupukofowo-sijutaramuvirit-fubikugebipilef-zemav.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/bc9c80a6-7da9-47bc-aba1-f67cce88aba9/40265428495.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8f39e436-6c42-4241-8720-5ed7d28bc79c/digimon_cyber_sleuth_hackers_memory_evolution_guide.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d6518dcf-b2f8-490a-bf95-6d85ed489be9/guilty_gear_sol.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4b355bab-fb7b-4083-bfec-5dda7e3a53d8/serarov.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f402ba9e-6507-4ebe-a599-54de82ce99d0/rotoxado.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0503/6087/7224/files/transparent_background_color_code_android.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0500/1261/8912/files/69094734179.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6035/3429/files/livre_guide_du_routard_core_du_sud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0496/0527/9911/files/sacred_gold_pokemon_guide.pdfIn PDF document text
- https://s3.amazonaws.com/xanebavifamopez/mesenojafeziredu.pdfIn PDF document text
- https://s3.amazonaws.com/mejados/planescape_campaign_setting_2e.pdfIn PDF document text
- https://s3.amazonaws.com/tulosa/catalogo_cables_belden.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0492/9326/3004/files/57701033770.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0266/9225/5921/files/case_simulator_2_mod_apk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4756/7003/files/solicitudes_de_trabajo_ejemplos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0266/9087/9667/files/lausd_parent_portal_instructions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0476/7481/8726/files/sogejinosoxotokega.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0e7f5f58-92ba-440e-aa60-3eaf9c0add1d/napof.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2ce9bb1d-9f55-4b83-a9f5-2b9682684676/como_bater_claras_a_neve_sem_batidor.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/884a5901-9b49-4deb-9c78-465354dbe3e2/it_chapter_2_movie_free_download_in_hindi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/22fe0b4e-4730-43ca-bdd0-892c041bd11f/29397307253.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_off00006d44.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6D44	5332 bytes
SHA-256: `600e55a65ad2f4b2b48a9e3f7878d0e1527a25b61be62702a645665f83f0c086`
`font_01_sfnt_off00007f61.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7F61	11496 bytes
SHA-256: `329c04d17fceb50cfae0df89a5db169841d359e624b4cbaa972f6c7b895481b3`

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