MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links, one of which, https://ttraff.com/pify?keyword=analgesicos+nao+opioides+pdf, is flagged as a malicious redirector. The document body, though heavily obfuscated, contains this URL and appears to be a lure related to "Analgesicos nao opioides pdf". The presence of numerous external PDF links, many pointing to benign Shopify URLs, suggests a link farm or SEO poisoning tactic to distribute the malicious redirector. 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=analgesicos+nao+opioides+pdf
- http://kipilu.goldencoastbailbonds.com/uploads/1/3/2/7/132712237/valojamivaxoxi-puxenox-mikunifupekuk-luvumag.pdf
- https://cdn.shopify.com/s/files/1/0438/7074/8827/files/speaking_activities_elementary.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/8011835234.pdf
- https://cdn.shopify.com/s/files/1/0428/1312/8867/files/22602138586.pdf
- https://cdn.shopify.com/s/files/1/0438/0812/9185/files/broken_seether_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0431/5529/2322/files/joxikalezubosojokelevediz.pdf
- https://cdn.shopify.com/s/files/1/0428/5526/8519/files/gary_moore_parisiene_walkways.pdf
- https://cdn.shopify.com/s/files/1/0432/7142/2102/files/nezotikejobotuzibuban.pdf
- https://cdn.shopify.com/s/files/1/0430/6776/8981/files/14275518075.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_off000058ed.bin14360635e47816de75927c77bf74c867361b1064cbec1975b4b8ed8a5ec7cfc2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x58ED | 4924 bytes |
font_01_sfnt_off000069b4.bin44ef351c40662722eabcf340c6c5712617f21bebbc11f57bc9643eae5e7a2144 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69B4 | 10720 bytes |
font_02_sfnt_off00008d1e.bin1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D1E | 4324 bytes |
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