MALICIOUS
150
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.cc, which is disguised as a CQC report. The document body, though heavily obfuscated, contains the same URL and a list of other PDF links, suggesting a link farm or redirection tactic. The ML classifier also strongly indicated maliciousness. The primary attack vector appears to be social engineering via a deceptive document title and a malicious link.
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=cqc+report+riverside+nursing+home+sherborne
- http://files.patuxentpetfood.com/uploads/1/3/1/4/131452771/6450786.pdf
- http://files.canolfaniaithbrogwaun.com/uploads/1/3/1/4/131453045/9613082.pdf
- http://files.fadsyukon.com/uploads/1/3/1/4/131412558/linulimasi.pdf
- http://files.imadsz.org/uploads/1/3/1/1/131163533/sokenurasipi.pdf
- https://cdn.shopify.com/s/files/1/0428/2236/9446/files/13843298938.pdf
- https://cdn.shopify.com/s/files/1/0429/8961/7311/files/pavlov_behaviorism_theory.pdf
- https://cdn.shopify.com/s/files/1/0437/6395/7909/files/xosexigoli.pdf
- https://cdn.shopify.com/s/files/1/0433/9430/2117/files/rogamimutegeziferininepo.pdf
- https://cdn.shopify.com/s/files/1/0429/1844/5223/files/dapuwuzad.pdf
- https://cdn.shopify.com/s/files/1/0435/3572/8794/files/vobixebozelibes.pdf
- https://cdn.shopify.com/s/files/1/0432/5959/2864/files/50_shades_of_gray_free.pdf
- https://cdn.shopify.com/s/files/1/0433/8656/8860/files/anticosti_island_hunting_guides.pdf
- https://cdn.shopify.com/s/files/1/0430/1615/9381/files/carlton_dancing_gif.pdf
- https://cdn.shopify.com/s/files/1/0430/5325/2757/files/mugobuburudadewadefesiv.pdf
- https://cdn.shopify.com/s/files/1/0432/5752/8480/files/86516038143.pdf
- https://cdn.shopify.com/s/files/1/0432/6958/7104/files/concepto_de_acuerdo_comercial.pdf
- https://cdn.shopify.com/s/files/1/0429/7375/7603/files/44728598470.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006824.bin5d62b327b957fd4b9c26387536ddfad5995d0223f283ee1f1298372972de7b0d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6824 | 5476 bytes |
font_01_sfnt_off00007a89.bin599220e11a8279adbdbb25922470b2bc4cbcb80163c45255b9457eefdd17361d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A89 | 9764 bytes |
font_02_sfnt_off00009c37.bin2a726e4d8e078a4a4a6a0bed67b139344cab8167eb027720faf42c08020076b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9C37 | 16120 bytes |
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