MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF document contains a large number of embedded links, many of which point to a redirector service. The heuristic firings indicate that this is a malicious redirector and a link farm designed to distribute PDF files. The presence of a visible LOLBin command execution instruction suggests that the document is intended to execute malicious code or facilitate further compromise. The primary attack pattern involves social engineering through a link farm to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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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=medidas+dela+cancha+de+futbol+soccer+pdf In PDF document text
- http://files.megumihiramoto.com/uploads/1/3/2/6/132682913/4c20a2ae2d8213c.pdfIn PDF document text
- http://files.fourmilecreekspelling.com/uploads/1/3/1/1/131164442/jibetisijisavatofo.pdfIn PDF document text
- http://jajote.thecurlhaus.com/uploads/1/3/1/4/131406082/rijuninakedox_fajevete.pdfIn PDF document text
- http://files.swiss-german-online.com/uploads/1/3/0/8/130874489/75ff69bc.pdfIn macro / runtime command snippet
- http://files.spanish-charts.com/uploads/1/3/0/8/130813888/729968.pdfIn macro / runtime command snippet
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2253/2251/files/stoelting_s_anesthesia_and_coexisting_disease_6th_edition_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1362/7294/files/29518922975.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2063/9646/files/solawapofinepumiwep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/fuxojusi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9993/9235/files/jobab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4603/3818/files/property_appraisal_report.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5669/3397/files/allotropes_of_carbon_class_10.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4976/3494/files/71294753735.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1021/8391/files/79597520022.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5038/2998/files/wizisozol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2735/6056/files/moluzexozu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5556/2398/files/zafapikibokap.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/9080/8737/files/sodumumod.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006e4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E4F | 5388 bytes |
SHA-256: 43232cff7a36652b4dd7546a303197bf9f18e1f944dbf560971fbdc71be180ae |
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font_01_sfnt_off000080a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80A2 | 11448 bytes |
SHA-256: 4348544b2857f1b23e86c08f45a54d3be7dfdb79929d57d281825a772f89d945 |
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