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, which is indicative of a link farm designed to manipulate search engine results or distribute malicious content. One critical heuristic firing confirms that the PDF links to known malicious redirector infrastructure via the URL https://ttraff.ru/pify?keyword=barcode+font+pdf417. The ML classifier also strongly flagged this PDF as malicious.
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=barcode+font+pdf417
- http://files.greenstuffindustries.com/uploads/1/3/1/4/131437982/70f74fe73ecba4.pdf
- http://files.occasiongifts4all.com/uploads/1/3/1/0/131069763/xenedozogi.pdf
- http://files.eltapancocabinetsandmore.com/uploads/1/3/1/8/131856290/5939080.pdf
- https://cdn.shopify.com/s/files/1/0428/1437/4047/files/bamub.pdf
- https://cdn.shopify.com/s/files/1/0435/6728/4383/files/cpld_and_fpga_textbook.pdf
- https://cdn.shopify.com/s/files/1/0428/5913/5132/files/reverse_a_string_java.pdf
- https://cdn.shopify.com/s/files/1/0434/0305/1171/files/godox.pdf
- https://cdn.shopify.com/s/files/1/0430/3860/5461/files/74763331563.pdf
- https://cdn.shopify.com/s/files/1/0437/4275/7029/files/54273154999.pdf
- https://cdn.shopify.com/s/files/1/0433/7536/2198/files/73137030025.pdf
- https://cdn.shopify.com/s/files/1/0434/4250/3832/files/parimebixowug.pdf
- https://cdn.shopify.com/s/files/1/0432/8721/6293/files/bisawetaxemoditoxigakotob.pdf
- https://cdn.shopify.com/s/files/1/0432/6811/2550/files/feliwexelove.pdf
- https://cdn.shopify.com/s/files/1/0431/1980/4567/files/nuzefiferiparefebe.pdf
- https://cdn.shopify.com/s/files/1/0430/1481/5901/files/wopitowasoxelo.pdf
- https://cdn.shopify.com/s/files/1/0435/3340/2266/files/dabajudufasuripimibini.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_off00005e2f.bin86ec4ecbee3e5326da2d3f77be225b7a35fe7de2b7ee71fa1ea71b62609665c4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E2F | 5208 bytes |
font_01_sfnt_off00007009.bin3c5c76acc059fcaa4c16f6c8e199f728780d7475278cdc9f33df108879f19665 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7009 | 9968 bytes |
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