PDF malware analysis — malicious · bd6e6a32042457ad

MALICIOUS

PDF

38.6 KB Created: 2020-10-25 18:53:11 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04

MD5: 98538227260e8e91dd39c6c2d9a7ff53 SHA-1: 90bc24e22c154db1b4f484b798d3845892ef7441 SHA-256: bd6e6a32042457ad35dc5d37dee5e2de3e1e9eb0714ee60e3e2a2d355a0bd869

184 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 5

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.
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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.com/123?keyword=process+plant+commissioning+a+user+guide In PDF document text
- https://jawasolasazilem.weebly.com/uploads/1/3/1/3/131379174/gevoderovepiru.pdfIn PDF document text
- https://zuxizakubapepo.weebly.com/uploads/1/3/4/3/134317428/8988532.pdfIn PDF document text
- https://wesoxiworikezux.weebly.com/uploads/1/3/1/3/131380467/938454.pdfIn PDF document text
- https://rowegodidevonu.weebly.com/uploads/1/3/4/4/134468430/daretonofido.pdfIn PDF document text
- https://seririgikum.weebly.com/uploads/1/3/0/7/130739922/zisaze_wolepamelumid.pdfIn PDF document text
- https://fupopafesuz.weebly.com/uploads/1/3/4/4/134443157/124b0ffb03bd.pdfIn PDF document text
- https://finiluxexolije.weebly.com/uploads/1/3/1/8/131856594/bipopedanitol.pdfIn PDF document text
- https://rofuvawe.weebly.com/uploads/1/3/4/3/134363923/5108997.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0481/8717/9160/files/90181412754.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/0530/2168/files/fitbit_surge_charger_pinout.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0497/2819/2669/files/district_3_nyc_demographics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0484/4447/3498/files/harvey_wallbanger_cocktail_diffords.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0500/2048/3232/files/chapter_15_to_kill_a_mockingbird_literary_devices.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/103b06ad-f213-48e6-ba5a-8f201e886ad8/delegisoduxevesomu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/afb7cf63-653e-473a-8788-d5d0ce5299e1/15348485280.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e074c553-16cc-4c91-92b9-a38e726e0f11/paxidudekadaxexapazusev.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a3f64795-3b84-4230-97c0-7724566ef4e0/quantum_physics_for_dummies_free.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0aa7dc13-573b-4ee9-a4c3-c72dea0a1fd4/omron_hem-_711.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4fdef842-0914-480e-a289-0225f320658b/advanced_mathematics_precalculus_textbook_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d864b1b8-d193-4f43-adfa-dfacd3e567fb/wosekudaz.pdfIn PDF document text
- https://s3.amazonaws.com/mamibis/96396005962.pdfIn PDF document text
- https://s3.amazonaws.com/lopadivupudexa/basic_english_grammar_book_1_free_download.pdfIn PDF document text
- https://s3.amazonaws.com/kavitokolezub/gofasomasetunixidi.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_off000057f8.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x57F8	5392 bytes
SHA-256: `aa59e55c1bc282ac4e467f0de1266504c4fb2553e4899eaee4a1c127cde0ca56`
`font_01_sfnt_off00006a2c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6A2C	10112 bytes
SHA-256: `e149d180311344ca233ffc2d67bdf5ddc20e09388ba8eb2343cc46a7a33b1430`

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