MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The document body, though partially corrupted, contains text related to 'Bangla alphabet pdf download' and the malicious URL, suggesting a lure to a link farm. The ML classifier strongly indicates maliciousness, and the presence of many external PDF links points to SEO poisoning or a similar scheme.
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.ru/pify?keyword=bangla+alphabet+pdf+download
- http://files.pelebonitaspa.org/uploads/1/3/0/7/130738850/negevotusegax_wuzakunemenebov.pdf
- http://files.shoanlo.net/uploads/1/3/0/7/130740316/wunajojud_piwiwalijinofil_vavem.pdf
- http://files.suncoast-gems.com/uploads/1/3/0/7/130775866/begijufininab.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0437/8873/0525/files/fixabalativijodowij.pdf
- https://cdn.shopify.com/s/files/1/0428/3708/2271/files/6256440594.pdf
- https://cdn.shopify.com/s/files/1/0432/2784/0669/files/madedepipopofubike.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kesazemoluvumexon.pdf
- https://cdn.shopify.com/s/files/1/0428/3197/0471/files/pugojax.pdf
- https://cdn.shopify.com/s/files/1/0427/7737/8972/files/4209448585.pdf
- https://cdn.shopify.com/s/files/1/0437/3400/7973/files/51302321925.pdf
- https://cdn.shopify.com/s/files/1/0432/8990/3259/files/20321296470.pdf
- https://cdn.shopify.com/s/files/1/0437/7106/8577/files/adding_fraction_word_problems.pdf
- https://cdn.shopify.com/s/files/1/0430/6694/9786/files/78555958293.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/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004b86.bin9727870904e76f354e18aa119951e8785180c9facb6da77661ca30e3ee5fef4e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4B86 | 5052 bytes |
font_01_sfnt_off00005cbf.bin23b8ceeff473f90710c001df4b4fc26c85a5e5d548963275648df82f79315c03 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CBF | 10076 bytes |
font_02_sfnt_off00007f33.binb50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F33 | 4324 bytes |
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