MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1200 Hardware Add-in
T1059.001 PowerShell
This PDF document contains numerous embedded links, including one pointing to a known malicious redirector at 'ttraff.com'. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of external PDF links, suggesting a link farm designed to manipulate search engine results or distribute malicious content. The ML classifier strongly flagged this PDF as malicious. No scripts were extracted from this sample.
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=broad%20spectrum%20antibiotics%20pdf In PDF document text
- http://files.thestayproject.net/uploads/1/3/2/8/132814476/1943586.pdfIn PDF document text
- http://files.kimberlyjherb.com/uploads/1/3/1/4/131407734/6aaa27c09255.pdfIn PDF document text
- http://files.centralvetimaging.com/uploads/1/3/2/7/132712174/samukoxilavu_potunizifategel_japume_gomafo.pdfIn PDF document text
- http://files.riccijustisart.com/uploads/1/3/2/6/132696280/tanepuwimoxe-fofan-nufema-nuxebusazokolez.pdfIn PDF document text
- http://files.clayandgrover.com/uploads/1/3/1/0/131070527/7662012.pdfIn PDF document text
- http://files.texascenterforregionalstudies.net/uploads/1/3/1/8/131856381/29afc.pdfIn PDF document text
- http://files.guillome.nl/uploads/1/3/0/7/130739401/5772c9.pdfIn PDF document text
- http://files.helpabee.org/uploads/1/3/0/7/130738562/derepajoda.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://dowutoweviki.files.wordpress.com/2020/06/4969533341.pdfIn PDF document text
- https://ketowal.files.wordpress.com/2020/06/gezag.pdfIn PDF document text
- https://xuzetepevot.files.wordpress.com/2020/06/kedelekewe.pdfIn PDF document text
- https://gipofonamu.files.wordpress.com/2020/07/37301674391.pdfIn PDF document text
- https://wajowobosub.files.wordpress.com/2020/06/jedikelebeluwiduwaf.pdfIn PDF document text
- https://kosupapa.files.wordpress.com/2020/07/71328755993.pdfIn PDF document text
- https://wugipiba943421545.files.wordpress.com/2020/07/96868753251.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lafiku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/90442425312.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/53978683100.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fovurasavelibegesixaga.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kemulubu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gujogu.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_off000070e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70E9 | 5340 bytes |
SHA-256: a99449e368b40049828ba3790e0b0e3ac033069f6f89e97d908cc7087cc8fe8a |
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font_01_sfnt_off000082f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82F2 | 10264 bytes |
SHA-256: 8ed60a87f9b15cc880280bf0d33bfd9ee6521f72be929916e0d12b8670a13edc |
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