MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm and a redirector link to known malicious infrastructure, disguised as a free software download. The ML classifier strongly indicates maliciousness. The document body contains obfuscated text and a URL that appears to be part of the 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.cc/pify?keyword=adobe+photoshop+free++new+version
- http://files.bestkidintheworld.org/uploads/1/3/1/8/131871614/9784030.pdf
- http://files.tournamentmanagementsolutions.com/uploads/1/3/0/7/130776110/f242ee33dbb0bb.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/7767/2868/files/fisiopatologia_do_cancer_de_colo_de_utero.pdf
- https://cdn.shopify.com/s/files/1/0432/9019/8180/files/how_to_become_a_better_public_speaker.pdf
- https://cdn.shopify.com/s/files/1/0437/7804/8162/files/biochemistry_by_lehninger_free_download.pdf
- https://cdn.shopify.com/s/files/1/0437/7044/5975/files/crecimiento_microbiano_en_alimentos.pdf
- https://cdn.shopify.com/s/files/1/0430/6986/6133/files/minulubosewibopetonid.pdf
- https://cdn.shopify.com/s/files/1/0434/3581/9173/files/litoxiwunupivebusedebeji.pdf
- https://cdn.shopify.com/s/files/1/0438/3070/6333/files/nexaxurodinodeg.pdf
- https://cdn.shopify.com/s/files/1/0433/7546/0517/files/75538541011.pdf
- https://cdn.shopify.com/s/files/1/0430/5040/1945/files/piriform_free_ccleaner.pdf
- https://cdn.shopify.com/s/files/1/0431/8196/5461/files/sonda_vesical_de_alivio.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000061bd.bin0ede311013d4208c67382614abf5f9486eed90b73fe48c59c8c375cbeb3c0fa2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61BD | 5168 bytes |
font_01_sfnt_off00007360.binb59c4bd48465d694d5cc8358aa7d7795778f9f19674c06e35266a91771d30c77 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7360 | 10248 bytes |
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