MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious File
The PDF contains a significant number of embedded links, many pointing to external PDF files hosted on various domains, indicating a link farm. One of the primary links, 'https://ttraff.cc/pify?keyword=quantum+chemistry+2nd+edition+mcquarrie+pdf', is identified as a malicious redirector. This suggests the document's purpose is to lure users into clicking these links, potentially leading them to malicious websites or further malware downloads.
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=quantum+chemistry+2nd+edition+mcquarrie+pdf
- http://files.eleanorwilkinson.co.uk/uploads/1/3/1/4/131413678/vorukeje.pdf
- http://files.insideoutnh.com/uploads/1/3/2/7/132740685/6015556.pdf
- http://files.centerforgirlsleadership.org/uploads/1/3/1/8/131856991/xoleretunomoje.pdf
- http://files.brineandbroth.com/uploads/1/3/1/4/131407061/651213.pdf
- https://cdn.shopify.com/s/files/1/0428/0591/9903/files/milady_chapter_20.pdf
- https://cdn.shopify.com/s/files/1/0431/9543/3117/files/nanitemuselivar.pdf
- https://cdn.shopify.com/s/files/1/0432/6935/7728/files/90690818633.pdf
- https://cdn.shopify.com/s/files/1/0432/8102/3140/files/nelirirupipufibotirape.pdf
- https://cdn.shopify.com/s/files/1/0436/0008/5160/files/tufuravoziseren.pdf
- https://cdn.shopify.com/s/files/1/0430/7602/6522/files/74023258641.pdf
- https://cdn.shopify.com/s/files/1/0434/6681/7696/files/fuluzutubufemol.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/muzoguganava.pdf
- https://cdn.shopify.com/s/files/1/0431/1423/4017/files/49219491162.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vexib.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_off00005b74.bin0638f30c862bd43ca14e4bb7a91f5218b0752aa90afe9c39a826d5e84ab16575 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B74 | 5784 bytes |
font_01_sfnt_off00006f02.bin150c49cf8720e13302071ab7453f6dba3ceabf92737e8ead9217167c3d04bff2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F02 | 10336 bytes |
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