MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass external link farm, with many links pointing to Shopify domains and one primary link to a known malicious redirector. The document body text, though partially corrupted, includes the phrase 'quinolonas veterinaria pdf' and the malicious redirector URL, suggesting a lure to trick users into clicking the link. The ML classifier strongly supports the malicious nature of this PDF.
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/wb?keyword=quinolonas%20veterinaria%20pdf
- http://xarutu.stensolo.com/uploads/1/3/1/3/131383708/1583629.pdf
- http://files.classofwestk.org/uploads/1/3/0/8/130814397/4323861.pdf
- http://files.happysleepermattress.com/uploads/1/3/1/8/131856797/busatujomuwe.pdf
- https://cdn.shopify.com/s/files/1/0430/5482/5621/files/44217455810.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/12247178291.pdf
- https://cdn.shopify.com/s/files/1/0435/2265/4362/files/gupifumegaxupubere.pdf
- https://cdn.shopify.com/s/files/1/0430/5027/0869/files/2437095551.pdf
- https://cdn.shopify.com/s/files/1/0435/3120/6808/files/oblivion_sheet_music_piano.pdf
- https://cdn.shopify.com/s/files/1/0436/5982/1209/files/jozasabupopujavalibubi.pdf
- https://cdn.shopify.com/s/files/1/0429/7388/8671/files/38816417476.pdf
- https://cdn.shopify.com/s/files/1/0435/9972/4702/files/esv_study_bible_download.pdf
- https://cdn.shopify.com/s/files/1/0437/2021/2645/files/71681087343.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nejoxalivivurotuzepebibus.pdf
- https://cdn.shopify.com/s/files/1/0448/2033/2705/files/irish_bouzouki_chords_gdad.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_off00005f65.binc75e957aa80eac317e78fff90f88291707598b6ed4a3097bcd7e098f3bd18bbe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F65 | 5156 bytes |
font_01_sfnt_off000070ff.bin0615c4b71b25585e4c1ae372ae67df724bb3f1907a95fbd1d39de44add4f9a51 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70FF | 10880 bytes |
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