MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded links, many pointing to Shopify domains, but one critical link redirects through 'ttraff.cc', a known malicious redirector. The document body, though heavily obfuscated, contains the text 'low back pain exercise guide pdf' and the malicious URL, suggesting a lure to trick users into clicking the link. The ML classifier also strongly indicated maliciousness.
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.cc/pify?keyword=low+back+pain+exercise+guide+pdf
- http://files.originalcable.com/uploads/1/3/1/3/131380001/758cdb.pdf
- http://files.jaspercountygeorgiadems.org/uploads/1/3/0/7/130776790/1950478.pdf
- http://files.ikargb.co.uk/uploads/1/3/1/4/131409170/c416f2d8c877.pdf
- http://files.lakeshorecenteratokoboji.org/uploads/1/3/1/1/131163683/8525124.pdf
- https://cdn.shopify.com/s/files/1/0435/5833/8715/files/nojumoxe.pdf
- https://cdn.shopify.com/s/files/1/0430/6596/6754/files/fusatu.pdf
- https://cdn.shopify.com/s/files/1/0429/8611/1137/files/91731764130.pdf
- https://cdn.shopify.com/s/files/1/0440/5598/6326/files/oxford_american_english_file_4.pdf
- https://cdn.shopify.com/s/files/1/0432/8944/4510/files/78527664232.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/25668779603.pdf
- https://cdn.shopify.com/s/files/1/0429/6274/7548/files/77478683323.pdf
- https://cdn.shopify.com/s/files/1/0437/9800/3874/files/carbon_nanotubes_preparation.pdf
- https://cdn.shopify.com/s/files/1/0430/5040/1943/files/sunifaruborawomoma.pdf
- https://cdn.shopify.com/s/files/1/0433/6723/5742/files/journal_carbohydrate_chemistry.pdf
- https://cdn.shopify.com/s/files/1/0431/1423/4017/files/maworeb.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_off000063ff.binee3e7eb243ce6292da72bc24d8f68aca667e56eedc3867e74f193130aa96d049 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63FF | 5596 bytes |
font_01_sfnt_off0000772c.bin82a794332a924aaa641bd10857da8af6fd0120888e4947c9f44ef845b552354e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x772C | 9900 bytes |
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