MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.cc, which is a strong indicator of malicious intent. The document body, though heavily obfuscated, contains text related to sheet music and the redirector URL, suggesting a lure. The presence of numerous external links, many pointing to Shopify, indicates a potential link farm used for SEO poisoning or distributing malicious content. 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.cc/pify?keyword=de+los+alamos+vengo+madre+rodrigo+sheet+music
- http://gofaseri.faceofkenya.org/uploads/1/3/2/7/132741155/pewugu-zujefus.pdf
- https://cdn.shopify.com/s/files/1/0440/5719/8742/files/the_cask_of_amontillado_short_story.pdf
- https://cdn.shopify.com/s/files/1/0436/3599/8880/files/47441191059.pdf
- https://cdn.shopify.com/s/files/1/0449/9764/0360/files/51509161940.pdf
- https://cdn.shopify.com/s/files/1/0433/5117/9416/files/36420416080.pdf
- https://cdn.shopify.com/s/files/1/0433/7513/2824/files/frasers_property_limited_annual_report_2018.pdf
- https://cdn.shopify.com/s/files/1/0438/6032/8608/files/tesafiworotipomaxakonovab.pdf
- https://cdn.shopify.com/s/files/1/0431/9667/8301/files/98313319039.pdf
- https://cdn.shopify.com/s/files/1/0431/5286/7494/files/xisin.pdf
- https://cdn.shopify.com/s/files/1/0428/7243/8951/files/dometic_air_conditioner_manual.pdf
- https://cdn.shopify.com/s/files/1/0431/5676/6882/files/77169865435.pdf
- https://cdn.shopify.com/s/files/1/0434/1566/6840/files/59974318289.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_off0000d123.bin0783240be80f7b3744647beb74c837244192e748e68083e05447c0daae2ec96a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD123 | 5412 bytes |
font_01_sfnt_off0000e368.binad7e639100cc145bc6b2d407a6407065ff8d90a0a0df7b725167c9ea91996c00 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE368 | 11400 bytes |
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