MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to suspicious domains and are flagged as redirectors to malicious infrastructure. The document body text, though partially corrupted, contains a reference to 'Aliexpress apk all versions', suggesting a lure to download potentially malicious applications. 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.me/wix?keyword=aliexpress+apk+all+versions
- http://files.peterbixbynhhouse.org/uploads/1/3/0/9/130969772/34d15279d10b1.pdf
- http://gobulo.ywcahealthandfitness.org/uploads/1/3/2/6/132681481/d3d4075199.pdf
- http://xitiri.raveim.org/uploads/1/3/0/7/130739139/1196066.pdf
- http://files.becorefit.com/uploads/1/3/1/4/131438439/6157740.pdf
- http://sukitup.bespokecarpentry.org/uploads/1/3/1/6/131606490/7827143.pdf
- https://cdn.shopify.com/s/files/1/0434/8693/7253/files/defakuwitaxanexoro.pdf
- https://cdn.shopify.com/s/files/1/0434/7474/7545/files/tobobos.pdf
- https://cdn.shopify.com/s/files/1/0433/8355/4202/files/69567799328.pdf
- https://cdn.shopify.com/s/files/1/0438/2221/9421/files/bipojetonujivobinasire.pdf
- https://static.usrfiles.com/ugd/be19e1_0ab268c023ce4d8e83a6cef34922dab1.pdf
- https://static.usrfiles.com/ugd/3cb679_14aeac166b4a46338d0917b72746354f.pdf
- https://static.usrfiles.com/ugd/b8c837_580575a57c014bba9314d1ad3098713d.pdf
- https://static.usrfiles.com/ugd/b2ba6b_d9505b93d41b4c8ba291c8f9e753cfca.pdf
- https://static.usrfiles.com/ugd/97aff7_3bacce18a2e94fc8a43d65d6773126df.pdf
- https://static.usrfiles.com/ugd/57c819_09b428109b774dbe9fee3b2e4edcf054.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_off00004e43.bin0b95117db21a2a4ca97bc369026001d0b048723cfca7a153f2a659b6bfebca57 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4E43 | 4996 bytes |
font_01_sfnt_off00005f51.bin234681412547ee642e81b35ac43a564198eff83b79141f3775045a49554a3e57 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F51 | 10704 bytes |
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