MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file exhibits characteristics of a link farm, embedding numerous external links, predominantly to other PDFs hosted on Shopify. One of these links, 'https://ttraff.ru/pify?keyword=api+rp+527+pdf', is identified as a known malicious redirector. The ML classifier also flagged this PDF with high confidence. The presence of a malicious redirector suggests an attempt to lure users to malicious content, likely for further exploitation or credential harvesting.
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=api+rp+527+pdf
- http://files.onbradstreetfarm.com/uploads/1/3/1/4/131406412/28598c2e7.pdf
- http://files.islandhillfarm.ca/uploads/1/3/0/8/130813643/9566384b.pdf
- http://files.quickstitchplus.com/uploads/1/3/1/4/131406222/4713347.pdf
- https://cdn.shopify.com/s/files/1/0428/1391/5303/files/nebuxotuxapoba.pdf
- https://cdn.shopify.com/s/files/1/0431/1423/4017/files/rutafiradevixukugul.pdf
- https://cdn.shopify.com/s/files/1/0433/4606/7621/files/95674416108.pdf
- https://cdn.shopify.com/s/files/1/0436/9213/0458/files/sujomuladulevenafatudaked.pdf
- https://cdn.shopify.com/s/files/1/0433/4937/7174/files/tawavolal.pdf
- https://cdn.shopify.com/s/files/1/0434/7750/0056/files/28191831449.pdf
- https://cdn.shopify.com/s/files/1/0430/7379/8306/files/pewizesoborofen.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/golalebilafofuzugetuvi.pdf
- https://cdn.shopify.com/s/files/1/0436/1001/3853/files/jexozisi.pdf
- https://cdn.shopify.com/s/files/1/0438/1271/6701/files/subuta.pdf
- https://cdn.shopify.com/s/files/1/0437/2883/0632/files/20704053371.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_off0000862e.bin90e6a04640d25af28ca680f39967e508265079f2f032088329e44447931eecd7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x862E | 4312 bytes |
font_01_sfnt_off000094dc.bin4f299588959802ca4e9d7175877c0baa6cdc0ba2b5f85bfd733ca864c70fe2b5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x94DC | 9724 bytes |
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