MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to Shopify domains hosting other PDFs, which is indicative of a link farm designed to manipulate search engine results or distribute content. One critical heuristic identified a link to a known malicious redirector infrastructure at `https://ttraff.cc/pify?keyword=antenna+and+wave+propagation+tutorial+pdf`. The document body text, though partially corrupted, includes the same URL, suggesting the primary intent is to redirect users to malicious content.
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=antenna+and+wave+propagation+tutorial+pdf
- http://files.culinaryabstraction.com/uploads/1/3/1/4/131407668/37b415ba301f430.pdf
- http://files.freshrescue.com/uploads/1/3/1/3/131398357/2325814.pdf
- http://files.mondokdentalimplantsmexico.com/uploads/1/3/0/7/130738710/numexelapezawomokovu.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bukidesokat.pdf
- https://cdn.shopify.com/s/files/1/0434/1596/1762/files/jatadiso.pdf
- https://cdn.shopify.com/s/files/1/0432/0083/9842/files/think_race_and_ethnicity.pdf
- https://cdn.shopify.com/s/files/1/0432/0637/7633/files/conjunctive_adverbs_list_and_examples.pdf
- https://cdn.shopify.com/s/files/1/0429/1536/5031/files/xurozojapekidorokubabas.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pexigubozorabavajodumixi.pdf
- https://cdn.shopify.com/s/files/1/0431/6761/3087/files/67154489504.pdf
- https://cdn.shopify.com/s/files/1/0433/8050/6791/files/gelimigexasu.pdf
- https://cdn.shopify.com/s/files/1/0437/3531/8689/files/kizovepebirelawerebas.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_off00007eab.binfde6b35af1bd06ae1199671a15ae66a2c6eaa286357dbec04fbb3b280f157469 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7EAB | 5172 bytes |
font_01_sfnt_off00009072.bine8f8a10e0be8fb6f860305015a6d62c3263d7d0bbb7d9fec8f5bf585e37e64bd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9072 | 10048 bytes |
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