MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious File
The PDF was flagged by multiple critical heuristics indicating malicious redirector links and a link farm. The ML classifier also strongly indicated maliciousness. The document body contains numerous URLs, including a primary redirector at 'https://ttraff.com/pify?keyword=traduccion+y+decodificacion+ejercicios', which likely serves as the initial lure. The presence of a large number of external PDF links suggests an attempt to manipulate search engine results or distribute further payloads.
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=traduccion+y+decodificacion+ejercicios
- http://files.azkillerbeessoftball.com/uploads/1/3/0/8/130874518/jemizip.pdf
- http://fibeki.crystalpanadura.com/uploads/1/3/1/0/131071041/fatowinobem_dileber_kowesu_fakowo.pdf
- http://files.caricohendesign.com/uploads/1/3/1/4/131406662/d25a2.pdf
- https://cdn.shopify.com/s/files/1/0432/2318/7616/files/boxijuxesilosomuzatigodiz.pdf
- https://cdn.shopify.com/s/files/1/0430/4506/0762/files/3025160254.pdf
- https://cdn.shopify.com/s/files/1/0429/8620/9439/files/blink_book_summary.pdf
- https://cdn.shopify.com/s/files/1/0433/7831/1326/files/canadian_visa_application_form_guide.pdf
- https://cdn.shopify.com/s/files/1/0427/8976/5276/files/53805385384.pdf
- https://cdn.shopify.com/s/files/1/0427/9812/1119/files/wilutolerilapenoguz.pdf
- https://cdn.shopify.com/s/files/1/0435/5214/5560/files/mechanical_vibrations_rao_6th_edition.pdf
- https://cdn.shopify.com/s/files/1/0440/5886/9910/files/lexus_repair_manual.pdf
- https://cdn.shopify.com/s/files/1/0433/0710/6462/files/60817363596.pdf
- https://cdn.shopify.com/s/files/1/0459/2258/2679/files/24667190024.pdf
- https://cdn.shopify.com/s/files/1/0429/3384/6175/files/dawn_of_the_jedi_into_the_void.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_off0000487d.bine43ae3aaaebf8f04f6b55600bddbfdfb600cb0d739d61041ea2991a5888df3f4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x487D | 5112 bytes |
font_01_sfnt_off000059f6.bin055333cdf69aa711715c33595f127b1965087614459892fb766df7698c4d2a80 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x59F6 | 10384 bytes |
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