MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with one critical heuristic identifying a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, appears to reference academic material, suggesting a lure to disguise the malicious intent. The presence of a link farm further supports the goal of directing users to potentially harmful sites.
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=adosphere+4+livre+du+professeur+pdf
- http://files.burtongreenparishcouncil.org/uploads/1/3/1/4/131482819/zusikawivafifas.pdf
- http://devizobin.hoppymeadowsrabbitry.com/uploads/1/3/1/4/131482995/pakuwemorexuge.pdf
- http://files.beanbagswim.com/uploads/1/3/0/8/130815228/devawoxanune.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/2378/5370/files/19169650171.pdf
- https://cdn.shopify.com/s/files/1/0431/4251/2791/files/adding_and_subtracting_polynomials_worksheet_with_answers.pdf
- https://cdn.shopify.com/s/files/1/0435/8412/7135/files/john_deere_310d_backhoe_service_manual.pdf
- https://cdn.shopify.com/s/files/1/0437/9954/3970/files/77255774146.pdf
- https://cdn.shopify.com/s/files/1/0430/6924/3553/files/60690888687.pdf
- https://cdn.shopify.com/s/files/1/0430/6694/9786/files/inheritance_book_4_online.pdf
- https://cdn.shopify.com/s/files/1/0428/1214/5823/files/jasekojekeza.pdf
- https://cdn.shopify.com/s/files/1/0437/4301/9159/files/khng_c_c_file_trn_web.pdf
- https://cdn.shopify.com/s/files/1/0429/1729/8329/files/sebudalosawarade.pdf
- https://cdn.shopify.com/s/files/1/0431/3346/8821/files/zakipamesibupelifage.pdf
- https://cdn.shopify.com/s/files/1/0431/5018/0503/files/zusasiz.pdf
- https://cdn.shopify.com/s/files/1/0432/4874/6651/files/juxitedorurag.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_off000046b0.bin04aa1c0860c49d12e5ce8783566c42846ca1d03d6a26da3d8054c69cd77c7b41 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x46B0 | 5056 bytes |
font_01_sfnt_off000057e9.binf950adc74015928067af2700d2216dab41b527a3fa3a090f73e01cd25d735d97 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x57E9 | 10676 bytes |
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