MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=clinical+anesthesia+book+pdf'. This URL is embedded within the document body, suggesting a social engineering lure to trick users into clicking it. The presence of a large number of external PDF links, many hosted on Shopify, further indicates a link farm designed for SEO manipulation or to host malicious content. The ML classifier also strongly flagged this PDF as malicious.
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.com/pify?keyword=clinical+anesthesia+book+pdf
- http://files.canadaparkour.com/uploads/1/3/2/8/132814168/9690095.pdf
- http://files.vegpatch.org/uploads/1/3/0/7/130738620/2504082.pdf
- http://files.plasticfreewilderness.org/uploads/1/3/0/9/130969699/xujuvuwudilel.pdf
- https://cdn.shopify.com/s/files/1/0427/8904/4383/files/67419872703.pdf
- https://cdn.shopify.com/s/files/1/0431/4651/0493/files/internship_application_letter_download.pdf
- https://cdn.shopify.com/s/files/1/0430/8720/0418/files/an_introduction_to_abstract_mathematics_solutions_manual.pdf
- https://cdn.shopify.com/s/files/1/0437/5491/3950/files/96388475924.pdf
- https://cdn.shopify.com/s/files/1/0433/4141/4552/files/44751421760.pdf
- https://cdn.shopify.com/s/files/1/0433/9105/8083/files/38059293849.pdf
- https://cdn.shopify.com/s/files/1/0443/5417/5132/files/voucher_example.pdf
- https://cdn.shopify.com/s/files/1/0434/0210/0899/files/jokajedujub.pdf
- https://cdn.shopify.com/s/files/1/0434/0239/5798/files/value_of_playboy_magazines.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/50751207741.pdf
- https://cdn.shopify.com/s/files/1/0430/5027/0869/files/vujakakirijasapolamife.pdf
- https://cdn.shopify.com/s/files/1/0433/1238/2116/files/69283316779.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_off0000604d.bin6e3db9e6917a4a8721df706fb77b9f88eeb5f422cb2fced8c642be33ed0179f9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x604D | 5256 bytes |
font_01_sfnt_off00007227.bin61fdab0597c382e5e096fd9caeb88d842b7ef987e6a209eb777654a1999682c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7227 | 10060 bytes |
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