MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.001 PowerShell
The PDF file contains a heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK, indicating it points to known malicious infrastructure. Additionally, PDF_SEO_LINK_FARM suggests a large number of outbound links, likely for SEO manipulation or to host further malicious content. The embedded URL https://ttraff.ru/pify?keyword=medical+science+liaison+job+description+pdf is the primary indicator of malicious redirection, likely leading to a phishing or malware download page. No scripts were extracted from this sample.
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.ru/pify?keyword=medical+science+liaison+job+description+pdf In PDF document text
- http://kimodep.upwardcr.com/uploads/1/3/1/4/131437130/zoxaxodufajap_purabijozojugi.pdfIn PDF document text
- http://files.secondstoryhoney.com/uploads/1/3/1/0/131069766/7c5da.pdfIn PDF document text
- http://files.oneactioncalendar.org/uploads/1/3/1/3/131383959/5887307.pdfIn PDF document text
- http://files.adeg.us/uploads/1/3/1/6/131606594/gajamapoketomakazan.pdfIn PDF document text
- http://zapopal.gphsmanufacturing.org/uploads/1/3/1/4/131437462/duruvofep_gobuguteradonak_kekomosa_nugagakimivu.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/1/0433/6271/3754/files/fugibetorudaz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5374/3270/files/jikizexo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0830/9923/files/bamidezasamamumonugege.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6152/6166/files/hbase-_site._xml.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4145/4240/files/xorajegobifowefedeb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1959/0040/files/mapping_cardinalities_in_dbms.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0163/4201/files/61542333332.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8217/6917/files/cardiopulmonary_resuscitation_procedure.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7547/7416/files/kuwura.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6995/4456/files/olympic_sports_list.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8555/2030/files/38358989406.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0193/6033/files/grade_12_biology_textbook_zambia_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1141/5962/files/govikovubatilikamupag.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_off0000808d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x808D | 5372 bytes |
SHA-256: 185e2f9f859295c0cb6001f1e4c10e9d82c8d1456268fa48eff64526ab936d6d |
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font_01_sfnt_off000092d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x92D7 | 10492 bytes |
SHA-256: 638dd411f1cce7d75f8c8aa1d863ea9bf126fc49c5f9dde2bd5c9afdc7be14cf |
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