MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded links, identified as a link farm. One of these links, 'https://ttraff.ru/pify?keyword=languages+online+french+section+33+answers', points to known malicious redirector infrastructure. The document body, though heavily obfuscated, also contains this URL, suggesting it is the primary lure. The presence of a large number of links, many pointing to benign Shopify URLs, indicates an attempt to manipulate search engine results or distribute malicious content through a seemingly legitimate facade.
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=languages+online+french+section+33+answers
- http://files.pdjensenartist.com/uploads/1/3/0/8/130874109/344a87c7b.pdf
- https://cdn.shopify.com/s/files/1/0432/5654/5433/files/world_countries_and_capitals_in_tamil.pdf
- https://cdn.shopify.com/s/files/1/0431/8226/0384/files/gray_blue_bed_sheets.pdf
- https://cdn.shopify.com/s/files/1/0435/5653/6479/files/convert_to_editable_word_iphone.pdf
- https://cdn.shopify.com/s/files/1/0432/3734/3387/files/english_grammar_exercises_download.pdf
- https://cdn.shopify.com/s/files/1/0434/0131/4454/files/25684995742.pdf
- https://cdn.shopify.com/s/files/1/0433/4488/7966/files/74292515927.pdf
- https://cdn.shopify.com/s/files/1/0435/2638/9912/files/concierto_aranjuez_guitarra.pdf
- https://cdn.shopify.com/s/files/1/0434/6360/6437/files/animals_and_their_young_ones_names.pdf
- https://cdn.shopify.com/s/files/1/0434/2513/6792/files/fazimuzovubux.pdf
- https://cdn.shopify.com/s/files/1/0435/1302/0570/files/68127603633.pdf
- https://cdn.shopify.com/s/files/1/0438/5295/5810/files/sports_vocabulary_esl.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_off000079dc.bin6c686890cb78ebc1ab00da23b1f609b6a12d1af6bf2bc3d91014cf477a354669 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79DC | 5340 bytes |
font_01_sfnt_off00008c19.bin501ac6c6b9353b07224e1f8b4d2b072b54d590d9e1082c77a51956b86a5dc241 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C19 | 10128 bytes |
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