MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains a large number of embedded links to external PDF documents hosted across various domains. The heuristic firings indicate that this is a malicious redirector link farm, likely intended for SEO manipulation or to distribute further malicious content. The ML classifier also strongly flagged this PDF as malicious.
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://ttraff.com/wb?keyword=negative%20prefixes%20worksheet%20pdf In PDF document text
- http://files.democrat.ie/uploads/1/3/0/8/130874018/zujide_duxokusa_gadevumepupi.pdfIn PDF document text
- http://files.lincolnfencecontractors.com/uploads/1/3/2/6/132681938/7c5f525598fb.pdfIn PDF document text
- http://files.valleyliberator.com/uploads/1/3/1/6/131606035/padavosagog.pdfIn PDF document text
- http://files.path2wine.com/uploads/1/3/1/3/131380875/aae37673f9.pdfIn PDF document text
- http://files.madlyeclectic.com/uploads/1/3/1/4/131483253/nuwitoduku_xafozovininu_lekilirox_navagad.pdfIn PDF document text
- http://files.christianjessup.com/uploads/1/3/2/7/132741045/tarusiwekapo-kudodeso.pdfIn PDF document text
- http://files.mhecblacon.com/uploads/1/3/1/4/131437351/vasak.pdfIn PDF document text
- http://files.godswaytshirts.com/uploads/1/3/2/3/132302815/7c24d7928c8eda5.pdfIn PDF document text
- http://files.theyogaschoolny.com/uploads/1/3/0/7/130775942/668541.pdfIn PDF document text
- http://files.sjhouse.org/uploads/1/3/1/4/131454158/gokoxebonuka_nidevafetosa.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://zimoligedozo.files.wordpress.com/2020/06/94686995361.pdfIn PDF document text
- https://kakakudob.files.wordpress.com/2020/06/45160527705.pdfIn PDF document text
- https://dulevope.files.wordpress.com/2020/06/juwimerebofumaxovupeve.pdfIn PDF document text
- https://tanutukezod.files.wordpress.com/2020/07/liverowefizanuwejekejin.pdfIn PDF document text
- https://xoruwojuki.files.wordpress.com/2020/06/wimokopiz.pdfIn PDF document text
- https://sapofavef.files.wordpress.com/2020/06/xoxabaz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zeranosorijajigafa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/37638787324.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kevaziretojigadogikoranab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/noviwuvado.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_off00004e8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4E8B | 5204 bytes |
SHA-256: 7f40b4589a98697077937ead4465a505202a22bbf16964c784208aac3f747261 |
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font_01_sfnt_off00006070.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6070 | 10284 bytes |
SHA-256: 7ef80b083875dcc12ee1e461a5a76d88e4a190ba0710adc301aabffa5133e269 |
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