MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF was flagged as malicious by an ML classifier and contains a critical heuristic indicating it links to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=www+seriesflv+net' which is also present in the heuristics. Additionally, the PDF exhibits characteristics of a link farm, embedding numerous external links, many hosted on shopify.com, likely to obscure the malicious intent and distribute traffic. No scripts were extracted from this sample.
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=www+seriesflv+net
- http://files.eatforliving.ca/uploads/1/3/1/8/131871658/6434674.pdf
- http://files.byrdsworld.com/uploads/1/3/0/7/130775084/gimixupatusopupedi.pdf
- http://files.tracysteinbrookpaintings.com/uploads/1/3/0/8/130813757/9069702.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/parisibudipaxetiwori.pdf
- https://cdn.shopify.com/s/files/1/0431/4962/3462/files/60825182479.pdf
- https://cdn.shopify.com/s/files/1/0431/6404/1373/files/58967343257.pdf
- https://cdn.shopify.com/s/files/1/0438/7795/7800/files/fudabowozoxuvexefukate.pdf
- https://cdn.shopify.com/s/files/1/0430/4227/5485/files/8627846997.pdf
- https://cdn.shopify.com/s/files/1/0431/4087/4408/files/76960116408.pdf
- https://cdn.shopify.com/s/files/1/0431/7439/6063/files/fokatexu.pdf
- https://cdn.shopify.com/s/files/1/0433/2814/3510/files/nipeduxijulofikimavimuwo.pdf
- https://cdn.shopify.com/s/files/1/0435/3913/6661/files/ritilodoj.pdf
- https://cdn.shopify.com/s/files/1/0430/7356/8919/files/virixerenodanuvopixun.pdf
- https://cdn.shopify.com/s/files/1/0434/7900/7398/files/mastering_physics_solution_manual.pdf
- https://cdn.shopify.com/s/files/1/0429/8961/7311/files/23531124648.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_off000051c0.bin79538500d6e288aad8d14747f7a24e3aac65b219ffac49d8040188adb3cc96a6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x51C0 | 4716 bytes |
font_01_sfnt_off000061f3.bind817bbe95fab0e39fd2391c8dabcaf8747b9de2ac82f3afaaa270ef1294ac7e8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61F3 | 15376 bytes |
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