MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to external PDF files, suggesting a link farm or SEO manipulation tactic. One critical heuristic identified a link to known malicious redirector infrastructure, indicating a phishing or malware distribution attempt. The ML classifier also strongly flagged this PDF as malicious.
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=atomic+number+and+atomic+mass+list+pdf
- http://vovufe.hautepaws.com/uploads/1/3/0/8/130813095/30659.pdf
- http://files.sunsetlakeorganics.com/uploads/1/3/0/7/130738943/lujoliw-gotewerajusexix-fatagotozi-pamolasobaj.pdf
- http://files.westhawthornuniting.org/uploads/1/3/0/8/130813042/bumubikikivudan.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/5048/4390/files/rational_choice_theory_summary.pdf
- https://cdn.shopify.com/s/files/1/0435/8576/5533/files/sistem_budaya_indonesia.pdf
- https://cdn.shopify.com/s/files/1/0431/1482/3844/files/gobunos.pdf
- https://cdn.shopify.com/s/files/1/0436/4229/0336/files/86045872464.pdf
- https://cdn.shopify.com/s/files/1/0430/7389/6602/files/57871121562.pdf
- https://cdn.shopify.com/s/files/1/0433/8073/6151/files/kosimagewidadaxupebeve.pdf
- https://cdn.shopify.com/s/files/1/0431/2953/6676/files/4845419586.pdf
- https://cdn.shopify.com/s/files/1/0430/2641/5779/files/american_standard_heritage_12_heat_pump_manual.pdf
- https://cdn.shopify.com/s/files/1/0431/8245/7000/files/94652315434.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
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006075.bin70e4861794603fadef22cb27ea3eca9126b3919972805179264f139ef7ceae64 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6075 | 5432 bytes |
font_01_sfnt_off000072cc.bin0d63d752fcc0e38b0935142c7eee41093edbb3295b7e18f58f70b6621da14717 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72CC | 10540 bytes |
font_02_sfnt_off000096a0.binf04fb96856fa86c99babb5bf309615b780632e07d2318923ed038a7bfd4fd4ce |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x96A0 | 16204 bytes |
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