MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious File
The PDF contains a large number of embedded links, many pointing to Shopify-hosted PDFs, which is indicative of a link farm. One of the primary links, 'https://ttraff.ru/pify?keyword=schedule+a+itemized+deductions+worksheet', is flagged as a malicious redirector. The ML classifier also strongly indicated maliciousness. The document body contains garbled text but includes the malicious redirector URL.
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=schedule+a+itemized+deductions+worksheet
- http://suvesi.nicrn.org/uploads/1/3/1/4/131438641/torubupas-kebewawikalota-lelow-rivizepelos.pdf
- http://likex.vintagecuriosa.ca/uploads/1/3/0/8/130874540/218f625d599.pdf
- https://cdn.shopify.com/s/files/1/0440/5461/0070/files/64504488355.pdf
- https://cdn.shopify.com/s/files/1/0431/6587/6378/files/spoken_english_file_free_download.pdf
- https://cdn.shopify.com/s/files/1/0440/5772/3030/files/school_bus_engine_diagram.pdf
- https://cdn.shopify.com/s/files/1/0429/4891/9450/files/renurezovapuvumiri.pdf
- https://cdn.shopify.com/s/files/1/0443/5014/4668/files/metformina_hcl_1000_mg_para_que_sirve.pdf
- https://cdn.shopify.com/s/files/1/0434/2913/4501/files/vujiwosazuxodof.pdf
- https://cdn.shopify.com/s/files/1/0436/9842/1913/files/7077349425.pdf
- https://cdn.shopify.com/s/files/1/0427/5660/4070/files/gakinizolexusokifobu.pdf
- https://cdn.shopify.com/s/files/1/0431/8982/9800/files/rajog.pdf
- https://cdn.shopify.com/s/files/1/0430/6986/6141/files/40258602871.pdf
- https://cdn.shopify.com/s/files/1/0432/7273/2836/files/datis.pdf
- https://cdn.shopify.com/s/files/1/0428/2672/7580/files/mexekizujolumijumerizosa.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_off00006331.binf7453605989749d9f943f67f1ef493d44edd6b92362bc7704dd77faa1beefcdd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6331 | 5488 bytes |
font_01_sfnt_off000075c2.bind789e48dff182e82bf7e1cc30e220b96016e70fa3ca1d8370dd5b48e6a235911 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75C2 | 10736 bytes |
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