MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a malicious redirector link to 'ttraff.com' which is designed to lure users into downloading further content. The document body, though heavily obfuscated, contains the same URL and references a 'speak fluent english pdf download', indicating a social engineering pretext. The presence of numerous other PDF links, many hosted on Shopify, suggests a link farm tactic to improve search engine ranking for malicious content.
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.com/pify?keyword=speak+fluent+english+pdf+download
- http://files.bjustudentlife.com/uploads/1/3/2/6/132681836/3687803.pdf
- http://files.gatheringoftribalnations.com/uploads/1/3/1/3/131383892/6475722.pdf
- http://files.lisaorrart.com/uploads/1/3/0/7/130776673/dumon_lejujil.pdf
- http://files.careyparanormalresearch.com/uploads/1/3/2/7/132712127/3451233.pdf
- https://cdn.shopify.com/s/files/1/0430/2356/4957/files/ham_radio_study_guide.pdf
- https://cdn.shopify.com/s/files/1/0432/7286/3899/files/33079911732.pdf
- https://cdn.shopify.com/s/files/1/0431/4746/0768/files/binofafemokew.pdf
- https://cdn.shopify.com/s/files/1/0433/8699/4855/files/rmv-_1_form.pdf
- https://cdn.shopify.com/s/files/1/0429/4872/2851/files/62329163069.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wanojexabe.pdf
- https://cdn.shopify.com/s/files/1/0430/8844/5604/files/sanuj.pdf
- https://cdn.shopify.com/s/files/1/0432/2902/0317/files/88016325336.pdf
- https://cdn.shopify.com/s/files/1/0428/0962/2691/files/59385002131.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006ed0.bin56ca5f6ebf9962da5a34c3090500add635b52a6e728e96f5292f2d691e9ace65 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6ED0 | 5468 bytes |
font_01_sfnt_off00008177.bin854415fa4b5d1129a75e57baba8b78f4c0f1b5b45c5bed1583fcd1ba238be4d6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8177 | 3824 bytes |
font_02_sfnt_off0000902b.bine1f30ab8928ca6ecac80a4771cc67d1220f909a418b88b41bd3adf5322b34c54 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x902B | 10352 bytes |
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