MALICIOUS
154
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, but one critical link directs to a known malicious redirector. The document body, though partially corrupted, includes the text 'Anatomic pathology board review pdf' and the malicious URL, suggesting a lure to trick users into visiting potentially harmful content. The ML classifier strongly indicated maliciousness, supporting the presence of a malicious redirector.
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=anatomic+pathology+board+review+pdf
- http://meribez.cutiepiepampering.com/uploads/1/3/1/3/131378950/komalin.pdf
- http://vexem.southwestpassages.org/uploads/1/3/1/1/131164250/4e5f9ad8c1.pdf
- http://files.placentaedmonton.ca/uploads/1/3/0/7/130776407/7938266.pdf
- https://cdn.shopify.com/s/files/1/0431/7764/0092/files/rigivisekujixefibetunanup.pdf
- https://cdn.shopify.com/s/files/1/0430/6472/1562/files/algebra_formulas_free_download.pdf
- https://cdn.shopify.com/s/files/1/0431/2177/0656/files/15076513710.pdf
- https://cdn.shopify.com/s/files/1/0435/6240/1947/files/moxogebasaleb.pdf
- https://cdn.shopify.com/s/files/1/0444/5346/2183/files/checkmarx_jenkins_plugin.pdf
- https://cdn.shopify.com/s/files/1/0433/3371/4070/files/cara_afterlight_gratis_iphone.pdf
- https://cdn.shopify.com/s/files/1/0428/7237/3411/files/crime_statistics_in_south_africa.pdf
- https://cdn.shopify.com/s/files/1/0432/6414/7609/files/bhagavad_gita_chapter_pdf.pdf
- https://cdn.shopify.com/s/files/1/0460/8625/8852/files/7162429922.pdf
- https://cdn.shopify.com/s/files/1/0430/8402/1921/files/puzukokanimeb.pdf
- https://cdn.shopify.com/s/files/1/0433/9780/8285/files/patolivozi.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_off0000751c.bin7458dd7950e416283a45141236ef5a76a62b3e63271d727a91581056e612f1db |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x751C | 5776 bytes |
font_01_sfnt_off000088b1.bine851a379250580cf5cfbd0af98b137c5bd68bb94cffe91f2830b316125ef2368 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x88B1 | 11184 bytes |
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