MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body text, though heavily obfuscated, contains a URL that appears to be a lure for an 'air quality index app'. The presence of many external links suggests a link farm or SEO poisoning attempt, likely to drive traffic to malicious sites. No scripts were extracted, but the PDF structure itself facilitates the redirection.
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=air+quality+index+app
- http://files.theskinthatburns.com/uploads/1/3/1/1/131164534/f66e7e2f6bf.pdf
- http://wawenapu.sara-n-mark.com/uploads/1/3/1/8/131871721/dugafime-xamalewuvesonav-defobonat.pdf
- http://files.northeastsocietyforvascularnursing.com/uploads/1/3/0/9/130969489/furonukugojogogorol.pdf
- http://liwikedo.ilovemytemple.com/uploads/1/3/1/4/131408984/lawewiwevazulobobode.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0441/1781/9544/files/my_turbo_pc_free_license_key.pdf
- https://cdn.shopify.com/s/files/1/0433/3810/4985/files/causes_of_stomach_ulcer.pdf
- https://cdn.shopify.com/s/files/1/0452/9104/5026/files/bupib.pdf
- https://cdn.shopify.com/s/files/1/0434/9421/1750/files/komulaliw.pdf
- https://cdn.shopify.com/s/files/1/0440/3062/3894/files/masob.pdf
- https://cdn.shopify.com/s/files/1/0438/3604/7525/files/12278531424.pdf
- https://cdn.shopify.com/s/files/1/0431/2426/1026/files/38237987225.pdf
- https://cdn.shopify.com/s/files/1/0432/7168/4252/files/casio_fx_9860gii_sd_software.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/61259485886.pdf
- https://cdn.shopify.com/s/files/1/0432/3459/0888/files/30852940675.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007a2c.binddd1cedadcb0610a06119c769d4be3fda9f02e68e01dcc9bdc0e6765c8cee3be |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A2C | 5060 bytes |
font_01_sfnt_off00008b70.bin92f307abe28cbbe2e4d5438499f0f349c38eab089df5d629b6caa07a282b1cac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B70 | 10632 bytes |
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