MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, including one pointing to a known malicious redirector at ttraff.ru. The document body, though heavily obfuscated, contains text related to a 'Spanish worksheet' and the malicious URL, suggesting a lure. The presence of a large number of external PDF links, many hosted on Shopify, indicates a potential link farm or SEO manipulation tactic to distribute malicious content.
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=rooms+in+the+house+spanish+worksheet
- http://files.highlevelstore.com/uploads/1/3/1/4/131452878/0efa88d83c439.pdf
- http://wipipa.universalwellnessaz.com/uploads/1/3/2/3/132302780/5609615.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/2469/4942/files/doxujuduzukogis.pdf
- https://cdn.shopify.com/s/files/1/0429/8709/4177/files/toxevefijanuguwaduge.pdf
- https://cdn.shopify.com/s/files/1/0430/6350/9146/files/wizukipivunalibe.pdf
- https://cdn.shopify.com/s/files/1/0427/5719/3895/files/40411005315.pdf
- https://cdn.shopify.com/s/files/1/0434/7317/4693/files/coulson_and_richardson_volume_2_free_download.pdf
- https://cdn.shopify.com/s/files/1/0428/4986/1791/files/53016334625.pdf
- https://cdn.shopify.com/s/files/1/0433/9780/8285/files/rasezabuset.pdf
- https://cdn.shopify.com/s/files/1/0435/2750/4024/files/momuxukoras.pdf
- https://cdn.shopify.com/s/files/1/0429/1713/4502/files/food_and_beverage_vector_free.pdf
- https://cdn.shopify.com/s/files/1/0432/2770/9597/files/mekafeli.pdf
- https://cdn.shopify.com/s/files/1/0431/2314/6906/files/wizodimigetelu.pdf
- https://cdn.shopify.com/s/files/1/0436/7243/6889/files/xosadofeziwu.pdf
- https://cdn.shopify.com/s/files/1/0431/0879/4525/files/zorejew.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000065e5.bin49781ed4f64ea7e870a33b23811fa9098d03207a5ed184038d9e4087f2b9aace |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65E5 | 5192 bytes |
font_01_sfnt_off00007773.bineb36d4e5f0a646c0b4ebc1f717a536acef281f60bf2c5256b3e5fb6198c1e18e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7773 | 10028 bytes |
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