MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains embedded links, with one specifically identified as a malicious redirector. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' confirms that the URL https://ttraff.com/pify?keyword=albumina+humana+bula+pdf leads to known malicious infrastructure. The presence of numerous other PDF links, as noted by 'PDF_SEO_LINK_FARM', suggests a link farm or spamming campaign. The ML classifier also 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/pify?keyword=albumina+humana+bula+pdf
- http://files.rwtcownerstribune.com/uploads/1/3/1/4/131482968/zafumineluxibef.pdf
- http://files.akia2013.org/uploads/1/3/1/4/131438150/8947848.pdf
- http://kukakikag.nhtassoc.com/uploads/1/3/0/7/130740517/6465506.pdf
- https://cdn.shopify.com/s/files/1/0431/2462/1473/files/26025152386.pdf
- https://cdn.shopify.com/s/files/1/0430/6649/1041/files/bruce_dickinson_book.pdf
- https://cdn.shopify.com/s/files/1/0432/1627/3576/files/bisalofigoponivabivefinib.pdf
- https://cdn.shopify.com/s/files/1/0431/0505/8976/files/39660062217.pdf
- https://cdn.shopify.com/s/files/1/0440/5267/6773/files/32811504956.pdf
- https://cdn.shopify.com/s/files/1/0433/6631/8230/files/matizoxarod.pdf
- https://cdn.shopify.com/s/files/1/0430/0754/1401/files/16202357643.pdf
- https://cdn.shopify.com/s/files/1/0431/6525/3792/files/61751278908.pdf
- https://cdn.shopify.com/s/files/1/0433/2116/3941/files/34366632063.pdf
- https://cdn.shopify.com/s/files/1/0436/6503/1321/files/21976477485.pdf
- https://cdn.shopify.com/s/files/1/0431/3183/0421/files/vepemejemimujepob.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/95509007145.pdf
- https://cdn.shopify.com/s/files/1/0431/6325/4944/files/51307751786.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_off0000961a.bin70d84b73103af86938c275684ba9ff4373164b24552c8f1ce0db71d23f8f9e68 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x961A | 5136 bytes |
font_01_sfnt_off0000a766.bin5cc21f7464c0351b7bb69cfc316cb33a91b0870ab5590a991e972d9258baaba5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA766 | 12220 bytes |
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