MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains numerous embedded links, many of which point to a link farm hosted on cdn.shopify.com, and one critical link to a known malicious redirector at ttraff.ru. The ML classifier strongly indicates maliciousness, and the presence of a link farm suggests an attempt to manipulate search engine results or distribute malicious content. No scripts were extracted, but the PDF structure itself is used for malicious redirection.
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=anemia+falciforme+genetica+pdf
- http://files.kapanshipman.com/uploads/1/3/0/7/130740258/ee7f97.pdf
- http://files.northbranchwoodworking.com/uploads/1/3/2/6/132682607/8700529.pdf
- http://files.selffound.net/uploads/1/3/0/7/130775490/xokavimodob.pdf
- https://cdn.shopify.com/s/files/1/0428/7257/0012/files/5596300657.pdf
- https://cdn.shopify.com/s/files/1/0436/4868/0089/files/benefits_of_exception_handling_in_java.pdf
- https://cdn.shopify.com/s/files/1/0435/1708/3803/files/debodenawiv.pdf
- https://cdn.shopify.com/s/files/1/0434/1750/1853/files/harmonized_tariff_schedule_2020.pdf
- https://cdn.shopify.com/s/files/1/0429/1995/2550/files/42182521804.pdf
- https://cdn.shopify.com/s/files/1/0428/1873/2191/files/xirifitawuganudododa.pdf
- https://cdn.shopify.com/s/files/1/0435/6207/4261/files/94752506670.pdf
- https://cdn.shopify.com/s/files/1/0431/8960/0414/files/9037741123.pdf
- https://cdn.shopify.com/s/files/1/0430/5023/8101/files/14122042502.pdf
- https://cdn.shopify.com/s/files/1/0429/2427/7923/files/jetiremasikijexefirome.pdf
- https://cdn.shopify.com/s/files/1/0428/8449/7575/files/54608079625.pdf
- https://cdn.shopify.com/s/files/1/0435/5126/0823/files/wakumesibodenekapafuxomun.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_off00006af3.binb18ec1f4ed6974b9a110aeef40334d91bc7debf1b3ce06822dc31b4e1f3581c7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AF3 | 5284 bytes |
font_01_sfnt_off00007cd2.bineed602a7325e843232a6a54ec5a183cb59fa01776e4b789709dbf4ad49c71102 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7CD2 | 10664 bytes |
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