MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. This URL is embedded within the document body, disguised as a search query for an annual report. The PDF also exhibits characteristics of a link farm, with numerous external links, many pointing to Shopify domains. The ML classifier strongly flagged this PDF as malicious. The primary attack vector appears to be social engineering via a deceptive link.
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=bharti+airtel+limited+annual+report+2020+17+pdf
- http://files.thepaintedjackalope.com/uploads/1/3/2/6/132681767/fepuve_tawuvofe_demamanenot.pdf
- http://vikogele.arteyepretty.com/uploads/1/3/1/3/131380729/d511109195a60.pdf
- http://files.taoacupuncturemarin.com/uploads/1/3/1/6/131606727/6440127.pdf
- https://cdn.shopify.com/s/files/1/0433/5009/8085/files/14923370251.pdf
- https://cdn.shopify.com/s/files/1/0434/2392/4376/files/zoology_textbook_class_11.pdf
- https://cdn.shopify.com/s/files/1/0431/3815/4650/files/miwejozeruzejasodi.pdf
- https://cdn.shopify.com/s/files/1/0429/4190/7110/files/92220084098.pdf
- https://cdn.shopify.com/s/files/1/0429/5832/3865/files/sarcoidosis_uveitis.pdf
- https://cdn.shopify.com/s/files/1/0430/6498/3703/files/56388285343.pdf
- https://cdn.shopify.com/s/files/1/0429/9577/7699/files/angularjs_advanced_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/ruwofejimu.pdf
- https://cdn.shopify.com/s/files/1/0428/1873/2191/files/zitudodan.pdf
- https://cdn.shopify.com/s/files/1/0428/8079/4780/files/zudasepidedix.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_off00006e6f.bin93e56b2f5c5ac6889d61574edc86464d12df9094e77d62dfc1bdc14089dd1974 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E6F | 5560 bytes |
font_01_sfnt_off00008139.bin1e48583eb8f93f5296529dd6a02784e1b2e7370f3d8f55c510a00b2997aeb29a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8139 | 10376 bytes |
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