MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded links, many pointing to external PDF files hosted on various domains. One critical heuristic identified a link to known malicious redirector infrastructure, and another flagged it as a link farm on disposable hosting. The document body, though partially obfuscated, contains a URL that aligns with the observed link farm behavior. This suggests the primary purpose is to distribute malicious links or content, potentially leading to further exploitation.
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.cc/wb?keyword=shinko%20ac%20servo%20drive%20type%205000%20manual%20pdf In PDF document text
- http://files.paramountrec.com/uploads/1/3/0/7/130775827/wanuvawofi.pdfIn PDF document text
- http://files.cumberlanderfamily.org/uploads/1/3/2/6/132681030/41208a255021e3e.pdfIn PDF document text
- http://files.framemysore.org/uploads/1/3/1/3/131384789/7349004.pdfIn PDF document text
- http://files.coburnsandandgravel.com.au/uploads/1/3/1/4/131438296/kakejisorak.pdfIn PDF document text
- http://files.moselygallery.com/uploads/1/3/1/4/131409385/pojegad.pdfIn PDF document text
- http://files.jackienorman.com/uploads/1/3/1/8/131860787/xewaguxevaxo_xarak.pdfIn PDF document text
- http://files.mermaidmarinabubbles.com/uploads/1/3/1/4/131406391/0bfbd3dcdd936.pdfIn PDF document text
- http://files.neverwares.ca/uploads/1/3/2/3/132303138/zepepigale-bipejimip-kudarunuputa.pdfIn PDF document text
- http://files.butleralabama.org/uploads/1/3/1/3/131379290/e3e6c0168c4.pdfIn PDF document text
- http://files.iveymission.org/uploads/1/3/1/3/131383982/9564347.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.opentle.orgIn PDF document text
- https://bokomosuv.files.wordpress.com/2020/07/roninagomuzoxipiter.pdfIn PDF document text
- https://tubofizuk40957132.files.wordpress.com/2020/06/31797641193.pdfIn PDF document text
- https://banaxog.files.wordpress.com/2020/06/juloxizosowebemanixe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/giratajolexodomofavewolov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/85755015361.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/61047377128.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lekefokatonerosabiwifeva.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
- http://www.gnu.org/licenses/gpl.htmlIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000790a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x790A | 5872 bytes |
SHA-256: 59b9b2820221abdf4f207673fec1631de4278d5ae27ec1cddecc9bbb7646bf5f |
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font_01_sfnt_off00008cca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8CCA | 9040 bytes |
SHA-256: de3b15883c9b831e77969388af016b431a68a29e284ac7dafce902a37e390940 |
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font_02_sfnt_off0000a638.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA638 | 10068 bytes |
SHA-256: 3906687eac14b02227f43e4d986d77476b90cabf0cb5d923618f837a6a62b2c0 |
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