MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1059.001 Command and Scripting Interpreter: PowerShell
T1204.002 Malicious Link
The PDF contains a malicious redirector link, https://ttraff.cc/wb?keyword=dbt%20accepts%20skills%20pdf, which is the primary indicator of malicious intent. It also hosts a large number of other PDF links, many of which are benign, suggesting a link farm or SEO poisoning tactic. The document body text, though heavily obfuscated, contains the phrase "Dbt accepts skills pdf", likely a lure to encourage clicks on the embedded malicious 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/wb?keyword=dbt%20accepts%20skills%20pdf
- http://files.bayareazetaplayers.org/uploads/1/3/1/1/131164199/loloz_roseridopi.pdf
- http://files.kellypretty.com/uploads/1/3/1/4/131406717/9303519.pdf
- http://files.specchia5-301.com/uploads/1/3/0/7/130776677/gexexosebagobivupika.pdf
- http://files.nuskillz.com/uploads/1/3/1/3/131380547/zewavejutilav_dusufowazipasov.pdf
- https://cdn.shopify.com/s/files/1/0439/8638/7102/files/java_swing_full_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0435/2291/6520/files/11007572680.pdf
- https://cdn.shopify.com/s/files/1/0438/2644/6496/files/bible_dictionary_download.pdf
- https://cdn.shopify.com/s/files/1/0431/8894/5064/files/arte_moderno_giulio_carlo_argan.pdf
- https://cdn.shopify.com/s/files/1/0439/5050/6152/files/jajubapufijego.pdf
- https://cdn.shopify.com/s/files/1/0441/1208/5144/files/jewivobazurozijon.pdf
- https://cdn.shopify.com/s/files/1/0433/3505/7559/files/jomawizirizonenerof.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mosagewenusuwaguxizekud.pdf
- https://cdn.shopify.com/s/files/1/0429/9826/8065/files/catalytic_converter_function.pdf
- https://cdn.shopify.com/s/files/1/0429/9577/7699/files/jorinoloxiboti.pdf
- https://cdn.shopify.com/s/files/1/0440/1122/5246/files/expression_anglais_franais.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_off000067a7.bincbd61984c23f715b68fa43dafab1a9a4880958af80456bf0233a89f78e5ea894 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67A7 | 5256 bytes |
font_01_sfnt_off00007994.bineb14aedd2cc4744c48546d9dbf1a328671ea1cc2a4630393e96290f466c9455f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7994 | 9608 bytes |
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