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.com, which is likely intended to lead the user to a malicious site. The document also contains a large number of links to other PDFs hosted on Shopify, suggesting a link farm designed to manipulate search engine results and potentially hide the malicious redirector. The ML classifier strongly indicated maliciousness.
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/wb?keyword=bern%20physiologus%20pdf
- http://files.whatthesaintsknew.org/uploads/1/3/1/4/131453436/votukapopezufuxuji.pdf
- http://files.edutechresearch.com/uploads/1/3/2/7/132710748/0971927.pdf
- http://files.styer-fitzgerald.net/uploads/1/3/1/1/131164364/922863.pdf
- http://files.wellesleyfamilydental.com/uploads/1/3/1/8/131871816/4615243.pdf
- http://files.snakities.com/uploads/1/3/1/4/131437210/955dcf1ec4a.pdf
- https://cdn.shopify.com/s/files/1/0432/0962/1665/files/duziden.pdf
- https://cdn.shopify.com/s/files/1/0433/6232/0536/files/36743277506.pdf
- https://cdn.shopify.com/s/files/1/0434/0531/2156/files/lamuwavusujekeripeka.pdf
- https://cdn.shopify.com/s/files/1/0429/6087/9782/files/woramofedemuxusapoxizoluk.pdf
- https://cdn.shopify.com/s/files/1/0428/4504/4892/files/45173730955.pdf
- https://cdn.shopify.com/s/files/1/0435/3123/9588/files/87660993286.pdf
- https://cdn.shopify.com/s/files/1/0429/5471/9395/files/40626367690.pdf
- https://cdn.shopify.com/s/files/1/0430/9073/9361/files/pozokojazakakeve.pdf
- https://cdn.shopify.com/s/files/1/0430/9919/3501/files/39436442837.pdf
- https://cdn.shopify.com/s/files/1/0430/2995/4721/files/nikon_sb_600_manual.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_off00006043.bin4429b7dd49ab98867d50b32951c959264a97b4384f897f99e9db245b8ac1b919 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6043 | 5244 bytes |
font_01_sfnt_off00007226.bina4a6fab97afd90aa67f6c7fe10e97392aebafd0dc37aecfd1baccddf56485435 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7226 | 11812 bytes |
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