MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector. The document body, though partially corrupted, contains text related to 'hipotiroidismo congenito pdf 2016' and the malicious URL https://ttraff.com/wb?keyword=hipotiroidismo%20congenito%20pdf%202016, suggesting a lure to a malicious site. The presence of many Shopify links, while some are benign, indicates a link farm strategy. No scripts were extracted from this sample.
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.com/wb?keyword=hipotiroidismo%20congenito%20pdf%202016
- http://files.fnaq.org/uploads/1/3/0/9/130969944/nivubuluro.pdf
- http://xerepubaf.agealive.org/uploads/1/3/1/6/131606758/zegire_taxiwef.pdf
- http://files.publicpolicylaw.com/uploads/1/3/0/8/130874385/652410.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/24375498268.pdf
- https://cdn.shopify.com/s/files/1/0445/4485/2127/files/practically_speaking_download.pdf
- https://cdn.shopify.com/s/files/1/0428/5769/3347/files/anatomy_of_an_earthquake.pdf
- https://cdn.shopify.com/s/files/1/0430/1452/0995/files/lawakefamuxokuzufonejibil.pdf
- https://cdn.shopify.com/s/files/1/0437/3794/0133/files/biramu.pdf
- https://cdn.shopify.com/s/files/1/0429/0363/4079/files/52740723206.pdf
- https://cdn.shopify.com/s/files/1/0434/8110/4541/files/madexajewikatozuralapiwi.pdf
- https://cdn.shopify.com/s/files/1/0433/5304/7195/files/kodi_ares_wizard.pdf
- https://cdn.shopify.com/s/files/1/0433/2965/0843/files/24556163902.pdf
- https://cdn.shopify.com/s/files/1/0437/4334/6839/files/lemafi.pdf
- https://cdn.shopify.com/s/files/1/0435/1416/7450/files/dulewakaruno.pdf
- https://cdn.shopify.com/s/files/1/0434/8831/3506/files/womuxisopuvalanegejinu.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/50036278562.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_off00006135.bin12eeefcfe210754d9713ad78163d820cb00a3fb8c83dfeeb00d66d76cc6e397a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6135 | 5676 bytes |
font_01_sfnt_off00007479.bin45e57bdb0763c6adcc10cd87cabe0424cdf95f0647b5c07f010a6d8acd375a19 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7479 | 10916 bytes |
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