MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The primary malicious URL identified is https://ttraff.club/pify?keyword=ejercicios+con+adverbios+de+frecuenc, which likely serves as a lure to a further malicious destination. The document body, though partially corrupted, contains this URL and references to 'wkhtmltopdf', suggesting it was generated programmatically to host these links.
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.club/pify?keyword=ejercicios+con+adverbios+de+frecuenc
- http://xafelewor.anastasiasaldina.com/uploads/1/3/0/8/130874222/f650f100a37ec.pdf
- http://fapefe.warmanddryuk.com/uploads/1/3/1/4/131453358/3598969.pdf
- http://files.marissaoneil.com/uploads/1/3/1/0/131071166/vumaz-webafurupujavim-rigubedinane-dazun.pdf
- https://cdn.shopify.com/s/files/1/0430/8942/8637/files/dudijexuvad.pdf
- https://cdn.shopify.com/s/files/1/0437/4390/3905/files/jenixomojup.pdf
- https://cdn.shopify.com/s/files/1/0434/2693/9042/files/road_trip_fortnite_guide.pdf
- https://cdn.shopify.com/s/files/1/0436/4324/0606/files/himnos_y_canticos_espirituales_iglesia_de_cristo.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xanixiki.pdf
- https://cdn.shopify.com/s/files/1/0448/3701/1613/files/intel_i5_6600k.pdf
- https://cdn.shopify.com/s/files/1/0431/6990/6852/files/29277218522.pdf
- https://cdn.shopify.com/s/files/1/0433/4593/6534/files/xibabadegavin.pdf
- https://cdn.shopify.com/s/files/1/0431/7554/2950/files/bhojpuri_actress_photos.pdf
- https://cdn.shopify.com/s/files/1/0433/5819/1768/files/kejajakomipomafoniku.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_off00005a59.bina57649d8a7df1cd9ac423886069ece0fb0e93ea837a8e1b95ec725ff97d13c26 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A59 | 5216 bytes |
font_01_sfnt_off00006c2b.binf4026dadc0a5ccc68bae1eaa4b1cc5f96e3bd60a3a02b5ea96fd34ba10d1f225 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C2B | 11696 bytes |
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