MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to external resources, including a known malicious redirector. The ML classifier strongly flagged this PDF as malicious, and the presence of a redirector URL suggests an attempt to funnel users to malicious sites. The document body, though heavily obfuscated, contains URLs that align with the heuristic findings.
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/pify?keyword=my+beautifier+lyrics+video
- http://fororo.cakeballsforacause.com/uploads/1/3/1/3/131384401/35c2e89a9e4.pdf
- http://files.cocoaandspice.com/uploads/1/3/1/4/131483019/9971581.pdf
- http://files.lama-lab.com/uploads/1/3/2/6/132695698/970bdbed5e.pdf
- http://vemujore.shueyvilleia.com/uploads/1/3/1/8/131856145/vigujoripis.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/0258/5500/files/aumentativos_y_diminutivos.pdf
- https://cdn.shopify.com/s/files/1/0439/1557/5464/files/kefetuxijidukupiga.pdf
- https://cdn.shopify.com/s/files/1/0429/9164/8929/files/mental_retardation_causes.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/85213016947.pdf
- https://cdn.shopify.com/s/files/1/0429/6019/1651/files/97132641853.pdf
- https://cdn.shopify.com/s/files/1/0435/6695/6707/files/62490434709.pdf
- https://cdn.shopify.com/s/files/1/0431/0273/2448/files/shopify_free_trial_60_day.pdf
- https://cdn.shopify.com/s/files/1/0430/4447/0933/files/kalnirnay_feb_2020_marathi_calendar_download.pdf
- https://cdn.shopify.com/s/files/1/0427/4572/5094/files/mamelapefeleruzatifa.pdf
- https://cdn.shopify.com/s/files/1/0431/6577/8080/files/76709415108.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000469c.bin86416cf6c97a6b22afb05e17d7a1fd80e0724ae001eafcb4b49c3980282c144e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x469C | 5324 bytes |
font_01_sfnt_off000058d1.binb0d45e389de397457b31d82d4db0dbcabad8146c57667edd74d562819ee1a347 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x58D1 | 9260 bytes |
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