MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to Shopify domains, which is indicative of a link farm. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=manual+drone+visuo+portugues+pdf'. The ML classifier also strongly flagged this PDF as malicious. The document body, though heavily corrupted, contains fragments of the redirector URL and other PDF 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.ru/pify?keyword=manual+drone+visuo+portugues+pdf
- http://files.lo-phi.com/uploads/1/3/0/9/130969700/bb20ff7a8b6d2.pdf
- https://cdn.shopify.com/s/files/1/0432/3196/9438/files/furogusutabulil.pdf
- https://cdn.shopify.com/s/files/1/0438/2733/1232/files/76823214722.pdf
- https://cdn.shopify.com/s/files/1/0436/8600/2843/files/kuregu.pdf
- https://cdn.shopify.com/s/files/1/0448/7023/8370/files/best_reader_android_tablet.pdf
- https://cdn.shopify.com/s/files/1/0430/9018/2304/files/simple_biodata_format_for_job_fresher_download.pdf
- https://cdn.shopify.com/s/files/1/0437/1687/0293/files/pour_le_libralisme_communautaire.pdf
- https://cdn.shopify.com/s/files/1/0436/6427/7657/files/anlise_swot_definio.pdf
- https://cdn.shopify.com/s/files/1/0430/9961/9492/files/49591055863.pdf
- https://cdn.shopify.com/s/files/1/0435/5234/2184/files/45195396202.pdf
- https://cdn.shopify.com/s/files/1/0431/9048/5150/files/public_administration_course_outline.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_off0000553e.binc24acbb57e92f6f01148dd4299f0f1fb33552a0f211ec4e623952125703f2667 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x553E | 5272 bytes |
font_01_sfnt_off00006748.bin3ab96026fee2c0f8fb56359403a42d4276eb740aa7843beef75d19b8ccc676d1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6748 | 15400 bytes |
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