MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass external link farm, with one critical link pointing to known malicious redirector infrastructure at 'https://ttraff.cc/pify?keyword=biocentrismo+y+antropocentrismo+pdf'. The document body, though heavily obfuscated, contains references to the same URL and other PDF files, suggesting a coordinated effort to distribute malicious content. 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.cc/pify?keyword=biocentrismo+y+antropocentrismo+pdf
- http://files.yogarama.net/uploads/1/3/1/3/131380870/8749253.pdf
- http://files.pittsburghfisherhouse.org/uploads/1/3/1/4/131438245/2544813.pdf
- http://files.raserabwehr.de/uploads/1/3/1/3/131398094/138a3b49ee76f.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/6443/4589/files/xitajiwixozesetejolo.pdf
- https://cdn.shopify.com/s/files/1/0429/8863/4263/files/nutimefonumewilu.pdf
- https://cdn.shopify.com/s/files/1/0432/2174/5825/files/95817149227.pdf
- https://cdn.shopify.com/s/files/1/0430/4578/1665/files/jasebowidevo.pdf
- https://cdn.shopify.com/s/files/1/0434/0691/7799/files/38982214641.pdf
- https://cdn.shopify.com/s/files/1/0434/2143/4023/files/8680885861.pdf
- https://cdn.shopify.com/s/files/1/0428/3275/6902/files/mojopijido.pdf
- https://cdn.shopify.com/s/files/1/0454/5403/3054/files/desert_storm_ahmed_deedat.pdf
- https://cdn.shopify.com/s/files/1/0437/8745/2576/files/upper_back_and_shoulder_stretches.pdf
- https://cdn.shopify.com/s/files/1/0436/5529/9237/files/48403504194.pdf
- https://cdn.shopify.com/s/files/1/0431/7613/2774/files/elephant_walk_song.pdf
- https://cdn.shopify.com/s/files/1/0437/0500/8293/files/pesupizajibuzepudovaw.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_off0000846d.bin01078c4b791322d90b9c3b7428f94d9dd82f3d0934a5b698d44d7944c41fa54b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x846D | 5420 bytes |
font_01_sfnt_off000096cf.binb5da4dfc8e3bdbc653a1dfc84c59e99a86f7bb595c3e926a5cf6b53c11c043a3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x96CF | 10556 bytes |
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