MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm designed to SEO-abuse, directing users to a malicious redirector at 'https://ttraff.cc/pify?keyword=ca+cpt+accounting+book+pdf'. The document body, though heavily obfuscated, contains references to accounting books and the malicious URL, suggesting a lure to trick users into clicking the link. The ML classifier strongly flagged this PDF as malicious, supporting the observed redirector link.
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=ca+cpt+accounting+book+pdf
- http://luxivil.carpetcleanoahu.com/uploads/1/3/1/3/131383791/258f7378db3474.pdf
- http://files.yeeg.co.uk/uploads/1/3/1/4/131408170/4274033.pdf
- http://files.geras.sk/uploads/1/3/1/3/131398224/kimal_folukisi_bubepiwil.pdf
- http://files.riskescience.com/uploads/1/3/0/7/130776644/395ba5.pdf
- https://cdn.shopify.com/s/files/1/0430/8815/0690/files/gibapedodunuk.pdf
- https://cdn.shopify.com/s/files/1/0431/0600/9255/files/nituwotonekapileg.pdf
- https://cdn.shopify.com/s/files/1/0438/4695/9261/files/que_es_psicologia_comunitaria.pdf
- https://cdn.shopify.com/s/files/1/0440/8947/5237/files/38015416.pdf
- https://cdn.shopify.com/s/files/1/0438/9352/2587/files/mevalakiborozezex.pdf
- https://cdn.shopify.com/s/files/1/0434/0400/1443/files/retencion_placentaria_en_equinos.pdf
- https://cdn.shopify.com/s/files/1/0431/9241/8468/files/befevozamumiwitusesavim.pdf
- https://cdn.shopify.com/s/files/1/0431/9969/2958/files/paludeximegelule.pdf
- https://cdn.shopify.com/s/files/1/0441/0304/1176/files/rabbit_farming_business_plan_south_africa.pdf
- https://cdn.shopify.com/s/files/1/0433/6192/7318/files/80706354493.pdf
- https://cdn.shopify.com/s/files/1/0432/9147/6133/files/80321062590.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kufotiniponekurek.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005c10.bindc572262145ab4cd94d94cfb9d49bb2f122a58fc02e67054b4611590cb75042e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C10 | 5124 bytes |
font_01_sfnt_off00006d8d.binab7fcaac32eef2657b6bc158c7fa1e2448fe1997464a82fa5f912d929af3f7cb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D8D | 10016 bytes |
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