MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.com, which is disguised as a licensing guide. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs pointing to external PDF files. The ML classifier strongly indicated maliciousness, and the presence of a redirector URL suggests an attempt to lead the user to a malicious site for further exploitation or phishing.
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/wix?keyword=dynamics+365+licensing+guide+october+2018
- https://static.usrfiles.com/ugd/3bca44_bcd165b2ca2743e7b36969d7318e68f5.pdf
- https://static.usrfiles.com/ugd/c0b427_a16d78fef54148209c52ab2db91c1df0.pdf
- https://static.usrfiles.com/ugd/79cb75_2baa45db3d2a40c5b4d09a569422ddd3.pdf
- https://static.usrfiles.com/ugd/432b07_0ca31b56e8544bb2a0870cc176b4ee24.pdf
- https://cdn.shopify.com/s/files/1/0438/6013/2005/files/37191859904.pdf
- https://cdn.shopify.com/s/files/1/0434/4250/3832/files/zajenakofevavidetiropo.pdf
- https://cdn.shopify.com/s/files/1/0429/7916/4314/files/99488000677.pdf
- https://cdn.shopify.com/s/files/1/0440/3062/3894/files/acidification_of_urine.pdf
- https://cdn.shopify.com/s/files/1/0440/3019/7925/files/caliban_s_war_free_download.pdf
- https://cdn.shopify.com/s/files/1/0438/5108/8032/files/90428935113.pdf
- https://cdn.shopify.com/s/files/1/0431/4388/9052/files/whatsapp_arabic_stickers.pdf
- https://static.usrfiles.com/ugd/9c43ec_a16ca70af70b4da9a5935b2fbddbbcc9.pdf
- https://static.usrfiles.com/ugd/b8c837_9b9270f295854ca2850a45c6260834a3.pdf
- https://static.usrfiles.com/ugd/b8c837_b84c6da799b543d1a62975f5d6b26b31.pdf
- https://static.usrfiles.com/ugd/041b56_115aa19cba05486f8dae275b931d0837.pdf
- https://static.usrfiles.com/ugd/5926b4_31ce20faac31424cabf6916ae423f367.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_off00005d8c.bin25dfe138e19645245afa719822f9f538df91741e445b3f9a0fa97d46ab2ed842 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D8C | 6460 bytes |
font_01_sfnt_off0000736f.binca6ee904b8187db26e87e371beaeb7af7dae01fc08fdd5c78623e4d23c925297 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x736F | 9932 bytes |
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