MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple critical heuristics for containing a malicious redirector link and a large number of external PDF links, indicative of an SEO link farm. The ML classifier also strongly indicated maliciousness. The document body contains the URL https://ttraff.cc/pify?keyword=estrategias+de+lectura+pdf, which is a known malicious redirector, and numerous other links hosted on cdn.shopify.com and other domains, suggesting a campaign to drive traffic to potentially malicious or spam 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.cc/pify?keyword=estrategias+de+lectura+pdf
- http://renejeb.lpethelphoto.com/uploads/1/3/1/0/131070420/89c41a8bd.pdf
- http://files.ryanhayford.com/uploads/1/3/0/7/130776852/9434700.pdf
- http://files.ridertransformation.com/uploads/1/3/0/7/130775905/4506679.pdf
- https://cdn.shopify.com/s/files/1/0428/2171/4079/files/ritezenowuwibawunizuwarol.pdf
- https://cdn.shopify.com/s/files/1/0435/5322/6913/files/94702384765.pdf
- https://cdn.shopify.com/s/files/1/0436/7230/5817/files/wifeg.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/parisibudipaxetiwori.pdf
- https://cdn.shopify.com/s/files/1/0430/9906/2421/files/77376620119.pdf
- https://cdn.shopify.com/s/files/1/0437/2230/9786/files/52484554471.pdf
- https://cdn.shopify.com/s/files/1/0431/1184/1958/files/79000854400.pdf
- https://cdn.shopify.com/s/files/1/0431/4942/6839/files/gexabefop.pdf
- https://cdn.shopify.com/s/files/1/0439/1567/3752/files/how_to_underline_in_discord.pdf
- https://cdn.shopify.com/s/files/1/0439/0472/9243/files/48237572981.pdf
- https://cdn.shopify.com/s/files/1/0439/8897/5774/files/46668008821.pdf
- https://cdn.shopify.com/s/files/1/0430/7058/7029/files/29129847611.pdf
- https://cdn.shopify.com/s/files/1/0435/2658/6520/files/coldplay_fix_you_meaning.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_off00007997.bin4cc07ecca1a7c44270b56cab24d0f18fe4a19aca105f3964adb8f99db1628653 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7997 | 5280 bytes |
font_01_sfnt_off00008b9d.bin60cf1218d72f9eaf02cb2eef05718be7b84c4139d6085d33cbedb543a3188cce |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B9D | 10864 bytes |
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