MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1200 Hardware Add-in Systems
T1059.001 PowerShell
The PDF file was flagged as malicious by an ML classifier and contains numerous embedded links. A critical heuristic identified these links as part of a link farm, with one specific URL pointing to known malicious redirector infrastructure. The document body appears to be heavily obfuscated or corrupted, preventing a clear understanding of its intended lure.
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=acca+f9+becker+pdf
- http://files.westernenglishsetterclub.org/uploads/1/3/1/4/131437693/2479888.pdf
- http://files.gulfbreezerotary.com/uploads/1/3/0/8/130813730/7614832.pdf
- http://files.iscypaa.org/uploads/1/3/1/0/131070618/ba8d99a02dd.pdf
- http://files.americanreclaimedfloors.com/uploads/1/3/2/6/132695434/7287769.pdf
- http://files.elementsandtides.com/uploads/1/3/1/4/131454304/715723af9c5.pdf
- http://files.element
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tujekozovazufurujujazer.pdf
- https://cdn.shopify.com/s/files/1/0431/4519/9784/files/paxowik.pdf
- https://cdn.shopify.com/s/files/1/0440/2397/2005/files/tisopubugoxubisolon.pdf
- https://cdn.shopify.com/s/files/1/0432/2839/7727/files/12319595456.pdf
- https://cdn.shopify.com/s/files/1/0429/9679/3503/files/71378326281.pdf
- https://cdn.shopify.com/s/files/1/0428/3429/6988/files/52265335516.pdf
- https://cdn.shopify.com/s/files/1/0434/0629/5201/files/93334572562.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/jisabisagubimebusogapasof.pdf
- https://cdn.shopify.com/s/files/1/0440/6486/6469/files/fakujuvedadowuguvovuzuf.pdf
- https://cdn.shopify.com/s/files/1/0429/3849/9235/files/tixenupazizides.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nisexabidubukov.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_off0000a5c9.bin84b0d8504ba2dbb32b1e26bd0e8b885193f6e2bbda8d862bc63600a550fb2c17 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA5C9 | 4732 bytes |
font_01_sfnt_off0000b5df.bin657fca0968a9c7616aaf28585c3909e66bdaab772ff82f9b218b8216946bf296 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB5DF | 11108 bytes |
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