MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to seemingly benign Shopify URLs, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the same suspicious URL. This suggests a lure to a malicious site, likely for phishing or malware distribution.
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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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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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.com/wb?keyword=complex%20noun%20phrases%20containing%20gerunds%20exercises%20pdf In PDF document text
- http://liwizi.aphpersonaltraining.co.uk/uploads/1/3/1/8/131871699/5827534.pdfIn PDF document text
- http://files.garrettru.com/uploads/1/3/1/3/131379132/465d44f.pdfIn PDF document text
- http://files.myenchantedlocket.com/uploads/1/3/1/4/131437736/wifufitumemot.pdfIn PDF document text
- http://files.darajakenya.com/uploads/1/3/0/7/130738928/sulevasogit.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/9180/1752/files/rti_application_form_pdf_in_english.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0364/2007/files/lurifagimixozabedeteb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/6503/1321/files/assembly_language_for_x86_processors_kip_r._irvine.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/medade.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/6734/6839/files/john_deere_gt275_parts_diagram.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8538/9206/files/advanced_computer_architecture_book_pdf_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7166/7352/files/jowar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1935/3767/files/la_santa_biblia.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0449/1937/files/wotiwekotigumozajefavibo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5841/1160/files/hdfc_securities_research_report.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9189/4176/files/wii_u_title_keys_for_usb_helper.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/36281161478.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2548/9305/files/sistema_de_medidas_angulares_sexagesimal_centesimal_y_radial.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5131/0488/files/8976324337.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4669/0203/files/stihl_fs45_prices.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_off00004dd5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4DD5 | 5540 bytes |
SHA-256: d9776f04cbfdf8b80d15c2e7aea4f9e004a97ae90d16e84b3d2d6cf0ada8a811 |
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font_01_sfnt_off00006081.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6081 | 9940 bytes |
SHA-256: 1ee9dc131379328344c2bd9424503f74cc2f19baac59681b66774afae68f4c99 |
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