MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and heuristics indicating it is a malicious redirector and link farm. It contains numerous embedded URLs, with a primary redirector identified as https://ttraff.cc/pify?keyword=3.+3.+5+resto+druid. The document body, though heavily obfuscated, also contains this URL and other links pointing to external PDF files, likely part of a SEO-based link farm strategy to distribute 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.cc/pify?keyword=3.+3.+5+resto+druid
- http://files.revivalhub.eu/uploads/1/3/2/7/132710669/8218380.pdf
- http://files.browardcountyacf.com/uploads/1/3/1/1/131163996/9186431.pdf
- http://files.centerpointutilities.com/uploads/1/3/1/4/131453284/4391073.pdf
- https://cdn.shopify.com/s/files/1/0436/2836/3939/files/najuzovodopizufolis.pdf
- https://cdn.shopify.com/s/files/1/0432/7315/8821/files/18365112078.pdf
- https://cdn.shopify.com/s/files/1/0431/2052/5469/files/9756917230.pdf
- https://cdn.shopify.com/s/files/1/0429/7188/9817/files/34811168898.pdf
- https://cdn.shopify.com/s/files/1/0437/5665/0645/files/mososonekawigovasot.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gujogu.pdf
- https://cdn.shopify.com/s/files/1/0432/9573/5963/files/rojofobuwavilitedujoxuja.pdf
- https://cdn.shopify.com/s/files/1/0430/2327/0042/files/walevisamuki.pdf
- https://cdn.shopify.com/s/files/1/0436/0064/2211/files/zitirajafomufelidoriseje.pdf
- https://cdn.shopify.com/s/files/1/0430/0279/0039/files/18339800158.pdf
- https://cdn.shopify.com/s/files/1/0433/3328/8088/files/lujepiguruvalojedunoketaz.pdf
- https://cdn.shopify.com/s/files/1/0429/2175/4787/files/sanuvewuni.pdf
- https://cdn.shopify.com/s/files/1/0439/0027/2792/files/amazon_app_store_apk.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_off0000abd9.bin8889d6035c6316aafdb2246d158991069c967d0e6425dc2b8e0bea4e32259e7e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xABD9 | 4800 bytes |
font_01_sfnt_off0000bc41.bin49ab38fa0222ce96e0e25b46d421b023580273d61cc42c0d6706ff492c109fd2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC41 | 10636 bytes |
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