MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a high number of embedded links, many pointing to external resources, which is indicative of a link farm or redirection strategy. One critical heuristic identified a link to known malicious redirector infrastructure, specifically 'ttraff.ru'. The document body, though partially corrupted, contains text related to a 'California background check disclosure form' and includes the malicious URL, suggesting a social engineering lure. The presence of numerous PDF links, many hosted on Shopify, further supports the link farm heuristic.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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=california+background+check+disclosure+form
- http://files.rockgardenapartmentspefkos.com/uploads/1/3/0/7/130738998/pazerobu-boxujup-losumew-sarok.pdf
- http://nirojo.naturecalling.us/uploads/1/3/1/4/131410227/4933389.pdf
- http://files.oharts.net/uploads/1/3/0/7/130740118/kumewinudep.pdf
- http://files.kdadmedia.com/uploads/1/3/0/7/130739810/88def88c5ce070e.pdf
- https://cdn.shopify.com/s/files/1/0433/4983/5930/files/ladunuxovemar.pdf
- https://cdn.shopify.com/s/files/1/0434/6042/7928/files/estadisticos_descriptivos.pdf
- https://cdn.shopify.com/s/files/1/0431/7757/4562/files/9th_class_english_textbook_ssc.pdf
- https://cdn.shopify.com/s/files/1/0432/0310/0836/files/anemia_perniciosa.pdf
- https://cdn.shopify.com/s/files/1/0434/2022/1596/files/dewalt_electrical_code_reference.pdf
- https://cdn.shopify.com/s/files/1/0434/6304/9376/files/advantages_of_computerised_accounting_system.pdf
- https://cdn.shopify.com/s/files/1/0431/0496/0661/files/wotisapekipufurabew.pdf
- https://cdn.shopify.com/s/files/1/0428/2171/4079/files/78675606328.pdf
- https://cdn.shopify.com/s/files/1/0430/9313/1425/files/sorijetisamotuxunenomom.pdf
- https://cdn.shopify.com/s/files/1/0432/4953/3088/files/vowovokuk.pdf
- https://cdn.shopify.com/s/files/1/0434/4568/2332/files/nabujawawavitaxojibolaj.pdf
- https://cdn.shopify.com/s/files/1/0430/0167/5939/files/lirilefem.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_off00007005.bin00ee9906aefd8c0eb62741fdbbb1806c8d54ec47d899d24466b48f1a5da8c399 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7005 | 5544 bytes |
font_01_sfnt_off000082ae.bin985f7ead8e148b7fe50e4a65cfffd8f9d9371b65412222b8780e116a5505d3cd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82AE | 10368 bytes |
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