MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, with one specifically identified as a malicious redirector. The ML classifier also strongly indicated maliciousness. The document body text is heavily obfuscated and contains numerous URLs, suggesting a link farm or redirection scheme designed to lead users to malicious content. No scripts were extracted from this sample.
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=verbo+sum+latino+pdf
- http://files.mattleemitchell.com/uploads/1/3/1/8/131856009/1771364.pdf
- http://files.l2flourish.org/uploads/1/3/1/4/131438059/1254889.pdf
- http://files.korahcvs.com/uploads/1/3/1/3/131379118/patelav.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/19227598733.pdf
- https://cdn.shopify.com/s/files/1/0434/8618/3577/files/opposite_words_in_english_file.pdf
- https://cdn.shopify.com/s/files/1/0436/9409/6539/files/84793163628.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lojuxefututa.pdf
- https://cdn.shopify.com/s/files/1/0432/5857/7056/files/jilakuvu.pdf
- https://cdn.shopify.com/s/files/1/0436/2996/9561/files/jilowatakaroguwo.pdf
- https://cdn.shopify.com/s/files/1/0429/6510/6847/files/16902432490.pdf
- https://cdn.shopify.com/s/files/1/0436/3105/0915/files/56789068247.pdf
- https://cdn.shopify.com/s/files/1/0430/0210/1923/files/kunawoniju.pdf
- https://cdn.shopify.com/s/files/1/0432/4658/3976/files/rubijinajudabob.pdf
- https://cdn.shopify.com/s/files/1/0431/4441/3341/files/73195834765.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/29942388251.pdf
- https://cdn.shopify.com/s/files/1/0433/3427/1126/files/supatad.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_off00006573.binaa1d19dd34930d52670b0a98a4faad8929eb9b4bc42b425db5549cf799245b41 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6573 | 5292 bytes |
font_01_sfnt_off00007758.bin6a5ec07e1ab9af5073d30ca85c74fe4127ba82cb4c615a9f9eecd77abd4c4222 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7758 | 10284 bytes |
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