MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document functions as a link farm, embedding numerous URLs that redirect to various external sites. One of the embedded URLs, https://cctraff.ru/strik?keyword=google+sheets+put+borders, is flagged as malicious redirector infrastructure. The document's primary purpose appears to be directing users to potentially harmful content through this extensive network of links.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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://cctraff.ru/strik?keyword=google+sheets+put+borders In PDF document text
- https://jojawetoterul.weebly.com/uploads/1/3/4/4/134404105/51fac40b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366031/normal_5f96f836180e8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379610/normal_5f950ae53542c.pdfIn PDF document text
- https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/1498243.pdfIn PDF document text
- https://fixupusojorulu.weebly.com/uploads/1/3/4/4/134438709/9016995.pdfIn PDF document text
- https://dokakida.weebly.com/uploads/1/3/1/3/131380589/telitipoxuxobib_lipubal.pdfIn PDF document text
- https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/0cbd7f35736ab.pdfIn PDF document text
- https://vataviborabedim.weebly.com/uploads/1/3/4/0/134012391/xabixowu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366637/normal_5f91b8b2307f5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381752/normal_5f946a4e0b1b2.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/53c1aa89-22f6-4736-bbf9-5d0ea661c8a2/rizenimipipo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bc833fdf-98c4-4a95-ac46-7c762f4fcf33/60697227952.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7652/5984/files/49974345742.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0266/8445/7146/files/kali_linux_kernel_android.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f31fb3d6-a8d7-4963-b54e-9e395fa037d2/pipekuvavejisuj.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3ccad790-29f1-4024-96b1-f4487b38a22a/tefojutarolinabexujaxa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0496/0747/5352/files/fire_emblem_heroes_iv.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn 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 |
|---|---|---|---|
stream_005_off000098c7.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x98C7 | 23540 bytes |
SHA-256: 89aaa789d484aabf3f4dc102afba66ea0425d256de3b7457de0554b2d2762b94 |
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font_00_sfnt_off000064e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64E2 | 5184 bytes |
SHA-256: c0582be5fa404dd28919a06429f335fb412145372927b15b447964c84e5225ad |
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font_01_sfnt_off00007678.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7678 | 9952 bytes |
SHA-256: 7ab80e56472f8dec8c4b6d84da7a6fa072e7ff24b99f168f893ff129a5defc25 |
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