MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass external link farm, with one critical link pointing to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the URL https://ttraff.cc/pify?keyword=anexo+1+oaci+pdf, which is likely intended to lead the user to a malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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/pify?keyword=anexo+1+oaci+pdf
- http://pamotopon.sdesignsgraphicarts.com/uploads/1/3/1/3/131381204/bolobotokafu.pdf
- http://kivew.kitchenvt.com/uploads/1/3/1/6/131636725/113d72f30.pdf
- http://files.helenmathermusic.com/uploads/1/3/0/7/130740625/kesixokibarajab-vorogasen-divinemudek-fudixuliku.pdf
- http://files.stpaulsboulder.com/uploads/1/3/1/1/131163658/1562824.pdf
- http://tisupafi.pittdanceensemble.com/uploads/1/3/1/3/131381464/3444140.pdf
- https://cdn.shopify.com/s/files/1/0432/0054/4931/files/xivuduvofovajasejur.pdf
- https://cdn.shopify.com/s/files/1/0434/8238/2502/files/dajasutotukuteninogez.pdf
- https://cdn.shopify.com/s/files/1/0435/4709/9290/files/92386884237.pdf
- https://cdn.shopify.com/s/files/1/0432/9367/1588/files/59461842722.pdf
- https://cdn.shopify.com/s/files/1/0431/6459/8434/files/anatomy_of_scapula.pdf
- https://cdn.shopify.com/s/files/1/0428/7243/8947/files/subomiganuj.pdf
- https://cdn.shopify.com/s/files/1/0432/8076/0990/files/39348088172.pdf
- https://cdn.shopify.com/s/files/1/0433/0127/3758/files/bangladesh_government_calendar_2020.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/67279733654.pdf
- https://cdn.shopify.com/s/files/1/0433/6753/0655/files/revor.pdf
- https://cdn.shopify.com/s/files/1/0430/5184/3737/files/83991436032.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000048b2.bin72fa1ca99339c4d8cebf9e8d069aca079b492ead430ef8ea191aea249cbc1027 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x48B2 | 4952 bytes |
font_01_sfnt_off000059b3.binfadc5104ec84f8194ae0ce9eb09ec9bf9ad7e4a3121239aa6192063063464d63 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x59B3 | 13700 bytes |
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