MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links that point to a redirector service, which in turn leads to a malicious URL. The document body, though partially corrupted, suggests a lure for a 'free download' of a travel guide. The ML classifier strongly indicates maliciousness, and the PDF_MALICIOUS_REDIRECTOR_LINK heuristic confirms the presence of links to known malicious infrastructure. 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.ru/pify?keyword=dk+eyewitness+travel+guide+great+britain+free+download
- http://files.derrickanthonyking.com/uploads/1/3/1/4/131454505/199e8f7f22d.pdf
- https://cdn.shopify.com/s/files/1/0433/3928/4645/files/crusader_quest_weapon_upgrade_guide.pdf
- https://cdn.shopify.com/s/files/1/0431/0266/6906/files/pepiradakazagafagiluwi.pdf
- https://cdn.shopify.com/s/files/1/0430/9336/0791/files/assam_tet_book_2020_download.pdf
- https://cdn.shopify.com/s/files/1/0432/5074/5512/files/30115365744.pdf
- https://cdn.shopify.com/s/files/1/0430/6160/8599/files/gomalonileb.pdf
- https://cdn.shopify.com/s/files/1/0430/7720/6178/files/punjabi_couple_wallpaper_full_hd.pdf
- https://cdn.shopify.com/s/files/1/0432/6116/5723/files/lisoripuviribamobuw.pdf
- https://cdn.shopify.com/s/files/1/0430/1848/5923/files/sukidewanevefozajurimuje.pdf
- https://cdn.shopify.com/s/files/1/0437/1965/5579/files/crazy_eye_emoji.pdf
- https://cdn.shopify.com/s/files/1/0435/5286/6463/files/asterix_and_obelix_the_golden_book.pdf
- https://cdn.shopify.com/s/files/1/0437/0608/9640/files/26180057091.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_off00006648.bin4eaa6c59f33ae8b52300b60b6fbcf09703abf64e1069b15ba1e2e23fd0d84789 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6648 | 5532 bytes |
font_01_sfnt_off0000794f.binac86a004e56a9be6d6b3aef09d851eeaab06d060e16c5fe7c81c4ca035d93cb8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x794F | 10316 bytes |
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