MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm and a direct link to a known malicious redirector, ttraff.ru. The document body, though heavily obfuscated, contains the same URL and other PDF links, suggesting a lure to a malicious site. The ML classifier strongly supports the malicious verdict. The primary attack pattern involves redirecting the user to malicious infrastructure via a deceptive link.
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=2020+presidential+election+results+sri+lanka+pdf
- http://files.stergioschatzikyriakidis.com/uploads/1/3/1/0/131070538/veseferunedod.pdf
- http://bijipikam.scw9.ca/uploads/1/3/1/0/131069934/kusovajizaja-jivuxulave.pdf
- http://files.warrensmithdrums.com/uploads/1/3/0/8/130813314/d62cecd88b2.pdf
- https://cdn.shopify.com/s/files/1/0439/1760/7067/files/xaruxigiri.pdf
- https://cdn.shopify.com/s/files/1/0438/1723/8688/files/vefalok.pdf
- https://cdn.shopify.com/s/files/1/0433/9980/7126/files/33861654055.pdf
- https://cdn.shopify.com/s/files/1/0430/7373/2769/files/biology_lab_experiments.pdf
- https://cdn.shopify.com/s/files/1/0427/9592/5671/files/7134063830.pdf
- https://cdn.shopify.com/s/files/1/0435/8583/1070/files/ridititenozen.pdf
- https://cdn.shopify.com/s/files/1/0437/9741/4045/files/rrb_alp_answer_key_qmaths.pdf
- https://cdn.shopify.com/s/files/1/0430/6957/1233/files/xokelapazixuxasigi.pdf
- https://cdn.shopify.com/s/files/1/0434/1438/8888/files/ultimate_ironman_guide.pdf
- https://cdn.shopify.com/s/files/1/0432/8990/3259/files/87589169258.pdf
- https://cdn.shopify.com/s/files/1/0437/5055/5799/files/scp_containment_breach_mac.pdf
- https://cdn.shopify.com/s/files/1/0432/4897/6032/files/wofux.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_off00005798.bin4a9ac1d5ebe66768b77ba9bf4ca9f8baee69384dcf4bd1e670485767eae88db7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5798 | 5392 bytes |
font_01_sfnt_off000069ef.bin50075e01b29153acf56f639bc266680517786432be66c524a67d4a257a26fda6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69EF | 9836 bytes |
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