MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to external resources. One critical heuristic identified a link to a known malicious redirector, ttraff.cc, which is used to obscure the final destination. The document body, though heavily obfuscated, contains the same malicious URL and appears to be a lure related to 'Australian dental association infection control guidelines'. The presence of numerous PDF links suggests a link farm or SEO poisoning tactic to distribute malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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=australian+dental+association+infection+control+guidelines
- http://taxij.parkcitybrewery.com/uploads/1/3/2/8/132814930/jutikoxukat_viretomesepex.pdf
- http://fegusun.scottyanco.com/uploads/1/3/0/7/130740596/xaludireko_rasefanoxixo.pdf
- http://wovab.juliergoddard.com/uploads/1/3/1/1/131164392/rumunapadifo.pdf
- http://paxive.spatiallaser.com/uploads/1/3/1/6/131606000/koginalifumadej_posix_jivegawamolopig.pdf
- http://files.inscience242.com/uploads/1/3/1/4/131406558/fijiv.pdf
- https://cdn.shopify.com/s/files/1/0443/4237/8652/files/learning_styles_inventory_for_elementary_students.pdf
- https://cdn.shopify.com/s/files/1/0432/6300/0734/files/39466174317.pdf
- https://cdn.shopify.com/s/files/1/0437/6746/4093/files/hernia_de_hiato_alimentao.pdf
- https://cdn.shopify.com/s/files/1/0434/3778/5240/files/vemokopigozerawiwu.pdf
- https://cdn.shopify.com/s/files/1/0449/8276/3679/files/swing_trading_for_beginners.pdf
- https://cdn.shopify.com/s/files/1/0437/7657/3601/files/kifapozixegumali.pdf
- https://cdn.shopify.com/s/files/1/0437/2316/1768/files/59304979327.pdf
- https://cdn.shopify.com/s/files/1/0432/3606/5438/files/curso_de_economia_introduo_ao_direito_econmico_fabio_nusdeo.pdf
- https://cdn.shopify.com/s/files/1/0431/8678/2369/files/68031663596.pdf
- https://cdn.shopify.com/s/files/1/0430/1550/4029/files/gezopuninoz.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_off00005c4f.bin27eb66891dfc3f431c5175cb6c040e8a7c772b877e5114dab7a71172ce5b5628 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C4F | 5180 bytes |
font_01_sfnt_off00006df9.bin401daea9c6608b66d290188f116f4d0d21a4cc280352da39cda69155f1689695 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DF9 | 10400 bytes |
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