MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by an ML classifier and contains a critical heuristic indicating it redirects to known malicious infrastructure. The document body and heuristics suggest an advance-fee scam lure, likely intended to trick the user into visiting the malicious URL. No scripts were extracted, but the presence of embedded URLs and the scam lure strongly indicate a phishing or social engineering attack.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LUREDocument contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
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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.ru/pify?keyword=cs+154+stanford+2017
- http://fefomikam.elephanttracks.net/uploads/1/3/0/9/130969080/8c0f75.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/2672/7580/files/11217905976.pdf
- https://cdn.shopify.com/s/files/1/0431/0230/6468/files/ravegalevonalilipibozu.pdf
- https://cdn.shopify.com/s/files/1/0430/6888/3097/files/cet_davv_previous_year_papers.pdf
- https://cdn.shopify.com/s/files/1/0428/7270/1095/files/tuzub.pdf
- https://cdn.shopify.com/s/files/1/0428/1031/0822/files/jalidonikad.pdf
- https://cdn.shopify.com/s/files/1/0454/5445/9030/files/canadian_visa_lottery_2017_application_form.pdf
- https://cdn.shopify.com/s/files/1/0437/7454/1981/files/46682794796.pdf
- https://cdn.shopify.com/s/files/1/0435/2675/0359/files/adam_smith_wealth_of_nations_free.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tuwaz.pdf
- https://cdn.shopify.com/s/files/1/0430/1615/9395/files/xefuterete.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kaxepetumikikexozifaxu.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_off00006ea7.binb3af991b6bf2828c9c31df3059af2c652c79fe25589532be0ea087d0303ff3ab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EA7 | 5392 bytes |
font_01_sfnt_off00008119.bin1cc1a0685a6c3982912da08deabfe39e4e46d3a35356d52bbf1648bab46dd149 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8119 | 10796 bytes |
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