PDF malware analysis — malicious · 4aa6f7a6d12a0fdc

MALICIOUS

PDF

48.1 KB Created: 2020-10-16 02:31:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-04

MD5: fa3e6310d4099309a4423a831caa862a SHA-1: 5fcd89b53f1123b9d0af6641dd3aa5d4ec9ee4ee SHA-256: 4aa6f7a6d12a0fdc4684fdabd240d15cd3b2f214ae2342cc0a03b0545111e035

162 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a link to known malicious redirector infrastructure and is part of a link farm, indicating a phishing or scam attempt. The presence of a 'download button' heuristic further supports a lure-based attack. Although no scripts were extracted, the PDF structure and embedded links strongly suggest a malicious intent to redirect users to harmful content.

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.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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/123?keyword=how+to+merge+two+whatsapp+backups+android In PDF document text
- https://cdn-cms.f-static.net/uploads/4371809/normal_5f88af630300b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366646/normal_5f873346664e7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365598/normal_5f8742d2a7608.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4371799/normal_5f88db41a94ab.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368218/normal_5f88da9fe8846.pdfIn PDF document text
- https://papunagaku.weebly.com/uploads/1/3/1/3/131384156/46619e8c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369664/normal_5f88498fde099.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370088/normal_5f8866a3ea156.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367627/normal_5f876631cc3d9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4371266/normal_5f88c20d5f9b3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369765/normal_5f88826185992.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://uploads.strikinglycdn.com/files/efaa3573-b23e-47ca-a7f0-2930c7021651/37660932707.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/deed666a-ee0f-4617-b372-b50380972037/14994432940.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d17dec30-ccb3-490b-a79e-a1564b72a163/masemoweb.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8f6f177d-3025-4eeb-9206-f0c52f4df6b2/didosekexekaxapupetaki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0496/0606/6325/files/rixilifurenopapurutut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0496/6724/4183/files/1_on_1_basketball_unblocked_games_66.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/30769c20-a8a9-41cf-9149-9ae39918563e/50348926913.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8478aaf8-0c37-40d8-a375-356235fa8cc1/29313820139.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b1533c47-7ce8-4c57-9975-4eef6a85848b/kizovubosar.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/eaaa924f-7024-46b1-b921-d36830411030/xatozisuvoni.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_off00006e30.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6E30	5592 bytes
SHA-256: `6dc631e6db06795aa63e8f7a3fb1ddf592197ebeea40117dc3a1f93a4361eaf0`
`font_01_sfnt_off00008113.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8113	10312 bytes
SHA-256: `7793f13ab009c7e59ef3685e91d731c10ad293c56515cb8b87ac320c2054d32c`
`font_02_sfnt_off0000a45f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA45F	4324 bytes
SHA-256: `1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361`

Open this report in the interactive analyzer, or submit your own file for analysis.