MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm and a critical redirector link pointing to malicious infrastructure. The document body, though heavily obfuscated, contains the URL https://ttraff.cc/pify?keyword=alexandre+o+grande+biografia+pdf, suggesting a lure to download further content. The ML classifier 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.cc/pify?keyword=alexandre+o+grande+biografia+pdf
- http://nixuvir.hvaillancourt.com/uploads/1/3/1/3/131380729/nidopasexupiw_kugudapake.pdf
- http://melul.exteriorcontractorca.com/uploads/1/3/1/4/131409090/natura.pdf
- http://ravapame.equineofficesolutions.com/uploads/1/3/0/7/130776208/1528681.pdf
- http://ritube.rem5vrlab.com/uploads/1/3/1/4/131410007/togujik.pdf
- http://files.strongcap.com/uploads/1/3/1/3/131384101/wiwapize_gosapatowi_puwezobix_papawapumas.pdf
- https://cdn.shopify.com/s/files/1/0432/2259/7796/files/61734910814.pdf
- https://cdn.shopify.com/s/files/1/0437/8542/0949/files/triton_flats_code.pdf
- https://cdn.shopify.com/s/files/1/0428/9075/6259/files/jabofewudixetovanidezezu.pdf
- https://cdn.shopify.com/s/files/1/0434/9453/9429/files/bogyo_es_baboca.pdf
- https://cdn.shopify.com/s/files/1/0434/3801/4616/files/equilibrium_chemistry_notes.pdf
- https://cdn.shopify.com/s/files/1/0433/7234/7550/files/81430858107.pdf
- https://cdn.shopify.com/s/files/1/0433/3309/1480/files/fobabusaj.pdf
- https://cdn.shopify.com/s/files/1/0449/3859/2424/files/thyristor_definition.pdf
- https://cdn.shopify.com/s/files/1/0429/5763/5743/files/xunenub.pdf
- https://cdn.shopify.com/s/files/1/0429/9145/2314/files/merewazamex.pdf
- https://cdn.shopify.com/s/files/1/0433/4636/2533/files/96814696704.pdf
- https://cdn.shopify.com/s/files/1/0435/7849/1041/files/funonilanuje.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_off00006a70.binb467ad49327105e74e511b30440b85a55b8333d978fbbef817739e274d5465b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A70 | 5228 bytes |
font_01_sfnt_off00007c4c.bine5da1849151cafe37cbb30ce8083f77f9951fee9f2fae9b81d9febc065ac388d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C4C | 12208 bytes |
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