MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many pointing to Shopify domains, suggesting a link farm for SEO manipulation or traffic redirection. One critical heuristic identified a link to known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=the+fall+of+yugoslavia+book+pdf'. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains references to 'The fall of yugoslavia book pdf' and the wkhtmltopdf generator, indicating a lure to disguise the malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
-
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.
-
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.
-
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.
-
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=the+fall+of+yugoslavia+book+pdf
- http://files.ncbyouth.org/uploads/1/3/1/4/131452922/1667286.pdf
- http://files.dreampathwayskids.org/uploads/1/3/0/7/130740563/1422338.pdf
- https://cdn.shopify.com/s/files/1/0437/7831/0295/files/fukovavaguk.pdf
- https://cdn.shopify.com/s/files/1/0431/0636/9687/files/13027096732.pdf
- https://cdn.shopify.com/s/files/1/0429/6949/7753/files/gemesubiguxab.pdf
- https://cdn.shopify.com/s/files/1/0432/2358/0835/files/generaciones_baby_boomers_x_y_z.pdf
- https://cdn.shopify.com/s/files/1/0431/9094/3902/files/convertir_de_a_word_ocr_online.pdf
- https://cdn.shopify.com/s/files/1/0437/6703/8109/files/wordpress_get_current_url.pdf
- https://cdn.shopify.com/s/files/1/0434/0098/6787/files/52620837100.pdf
- https://cdn.shopify.com/s/files/1/0433/8185/0268/files/nululiperosatevuxolez.pdf
- https://cdn.shopify.com/s/files/1/0453/8921/7960/files/61021475330.pdf
- https://cdn.shopify.com/s/files/1/0440/5703/4902/files/pumesowi.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_off00005238.bin13b8c6f4641a82884d2c69f15e23ee6b97ce380346c10838cf23b686fced00af |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5238 | 5524 bytes |
font_01_sfnt_off0000650b.bin944e69e3d6eca531d1869395e40bed3a30fe3236a17687b1fcb86e961a45dd3d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x650B | 9756 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.