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, with one identified as a malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the URL that was identified as a malicious redirector, suggesting the document's primary purpose is to lure users to malicious content. No scripts were extracted from this sample.
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=calculus+early+transcendentals+7th+edition+solutions
- http://files.birchsage.com/uploads/1/3/0/7/130740213/4639043.pdf
- http://files.stevenmmillerphotography.com/uploads/1/3/1/4/131454466/97d2b47179c.pdf
- http://files.emilygillcrist.com/uploads/1/3/1/4/131406258/nukebukekizotiruk.pdf
- http://files.annimorris.co.nz/uploads/1/3/0/7/130775921/b3f643e3cd85.pdf
- http://files.inwiththeold.co/uploads/1/3/2/7/132740423/refavogoleki.pdf
- https://cdn.shopify.com/s/files/1/0435/4090/6135/files/swgemu_village_guide.pdf
- https://cdn.shopify.com/s/files/1/0429/0006/2367/files/98344581131.pdf
- https://cdn.shopify.com/s/files/1/0428/7220/9574/files/5553208867.pdf
- https://cdn.shopify.com/s/files/1/0431/1249/7312/files/mofakitokunenu.pdf
- https://cdn.shopify.com/s/files/1/0433/2562/0374/files/nimozejare.pdf
- https://cdn.shopify.com/s/files/1/0428/1729/0406/files/40873591500.pdf
- https://cdn.shopify.com/s/files/1/0437/2735/6056/files/28004987122.pdf
- https://cdn.shopify.com/s/files/1/0431/6394/3067/files/minecraft_brick_recipe.pdf
- https://cdn.shopify.com/s/files/1/0432/7024/2460/files/relax.pdf
- https://cdn.shopify.com/s/files/1/0428/9229/6359/files/menisomikona.pdf
- https://cdn.shopify.com/s/files/1/0431/9900/4827/files/giwozawizovunajatinilalu.pdf
- https://cdn.shopify.com/s/files/1/0431/9484/3298/files/90165963435.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_off00004dca.binea24082652d3c43e298977b43283eeb7b912d69e7f57cf4e9e7ee7938cff6ce4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4DCA | 5116 bytes |
font_01_sfnt_off00005f2b.bincbec5125bafa785b0973675c6e4616179765ba49f10e8c62c9ff85a25c7a9083 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F2B | 13720 bytes |
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