PDF malware analysis — malicious · 115eebe911990c1b

MALICIOUS

PDF

47.2 KB Created: 2020-10-22 12:10:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10

MD5: d0e218d7717af6a40975b837c734beb0 SHA-1: 914c9dfc9a9edcfd4ddd19e1e13922b011c3e956 SHA-256: 115eebe911990c1b51d1abc5a3ffd86f5caa70698c32a65bd556c98db681ba7f

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=imo+mod+apk+android In PDF document text
- https://cdn-cms.f-static.net/uploads/4380084/normal_5f8e43d6e4f54.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378621/normal_5f8fda081b849.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373004/normal_5f89462ef11c2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366007/normal_5f912776f0ef0.pdfIn PDF document text
- https://barofabilis.weebly.com/uploads/1/3/2/7/132712093/parikib-vexutu-forotusadukot.pdfIn PDF document text
- https://worozimovazez.weebly.com/uploads/1/3/1/4/131406108/5164519.pdfIn PDF document text
- https://lixaworone.weebly.com/uploads/1/3/1/8/131871871/sopakasumut.pdfIn PDF document text
- https://saxibodusazo.weebly.com/uploads/1/3/0/7/130740440/dedarebuvutupe.pdfIn PDF document text
- https://jufaxexave.weebly.com/uploads/1/3/0/7/130775513/e96f81786d7f.pdfIn PDF document text
- https://talapilodegopez.weebly.com/uploads/1/3/0/9/130969507/senunobit_zadajilavidugi_gogolomepugi_filaramejowebuz.pdfIn PDF document text
- https://nobinetezo.weebly.com/uploads/1/3/0/9/130969761/646693.pdfIn PDF document text
- https://wetuxabo.weebly.com/uploads/1/3/0/8/130873937/nofezi.pdfIn PDF document text
- https://zirufifun.weebly.com/uploads/1/3/0/8/130874679/8917132.pdfIn PDF document text
- https://misopiwulasi.weebly.com/uploads/1/3/1/8/131856666/14febd4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384836/normal_5f8c5cfc081ff.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369313/normal_5f8c39175cec7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393761/normal_5f8ffaeb25ae0.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/1/0268/7326/6352/files/police_incident_report_form.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3839/8869/files/electoral_realignment_ap_gov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6035/3429/files/temple_run_game_free_download_for_android.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0481/2583/7465/files/gomukirisib.pdfIn PDF document text
- https://s3.amazonaws.com/mijedusovineti/the_art_of_war_full_book.pdfIn PDF document text
- https://s3.amazonaws.com/zuxadol/rivoxitonopusujepubasibur.pdfIn PDF document text
- https://s3.amazonaws.com/tadovu/borderline_personality_disorder_nami.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_off00007b38.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7B38	4896 bytes
SHA-256: `8505c48162d23c10fb6e947f4fc4e70f8e966a88de84a30e4dcbf31e2f32d1f8`
`font_01_sfnt_off00008bc9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8BC9	10364 bytes
SHA-256: `d85c78cdce6a8d2e751198d6af86b7834822b5ededfb94d691d9f31a0033b641`

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