MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link to a known malicious redirector, ttraff.com, which is designed to lead users to further malicious content. The document body, though heavily obfuscated, contains the same URL and appears to be a lure related to learning Italian. The ML classifier strongly indicates maliciousness, and the presence of a link farm further supports a malicious intent to drive traffic.
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.com/pify?keyword=aprender+italiano+desde+cero+pdf
- http://files.morroandjasp.com/uploads/1/3/2/6/132682820/af136ff42878.pdf
- http://files.crazytaillabradors.com/uploads/1/3/0/7/130775276/2088688.pdf
- http://files.northshorecanine.com/uploads/1/3/1/8/131856415/a22905f133884ba.pdf
- http://wawoneveb.a-e-g.org.uk/uploads/1/3/1/4/131482995/9988051.pdf
- https://cdn.shopify.com/s/files/1/0438/2906/7938/files/1451124875.pdf
- https://cdn.shopify.com/s/files/1/0433/5144/1560/files/31446865121.pdf
- https://cdn.shopify.com/s/files/1/0433/2745/5387/files/criminal_law_books.pdf
- https://cdn.shopify.com/s/files/1/0437/9970/7810/files/voxedabafuxi.pdf
- https://cdn.shopify.com/s/files/1/0437/8548/6485/files/tagaxiwubo.pdf
- https://cdn.shopify.com/s/files/1/0427/4470/9276/files/valentine_day_list_2020.pdf
- https://cdn.shopify.com/s/files/1/0431/7046/3912/files/38957973519.pdf
- https://cdn.shopify.com/s/files/1/0447/9765/7248/files/31976246928.pdf
- https://cdn.shopify.com/s/files/1/0432/3137/9619/files/xudawafepikemobowa.pdf
- https://cdn.shopify.com/s/files/1/0429/2008/3612/files/xexifuvegexunixo.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_off000067a2.bin6566cb36cee945061543d907c52147d08b1766826b82e62fce5c3926f445d5b9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67A2 | 5140 bytes |
font_01_sfnt_off00007924.bine7e6539f86b4299cd7d81911dfd833d3747950c5e9726ecb381e1fccadc54161 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7924 | 12364 bytes |
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