MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded links, with one identified as a malicious redirector. The heuristic firings indicate a PDF link farm, suggesting the document's primary purpose is to distribute malicious links or manipulate search engine results. The presence of the URL 'https://ttraff.cc/wb?keyword=gartner%20magic%20quadrant%20mssp%202020' further supports the malicious redirector finding.
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.cc/wb?keyword=gartner%20magic%20quadrant%20mssp%202020 In PDF document text
- http://vetol.conflictchange.com/uploads/1/3/0/7/130739344/rebafajazo_masinivijewu_zenan.pdfIn PDF document text
- http://mapomok.matteodecassan.com/uploads/1/3/0/7/130775830/zimisesubuf_wozuwe_waropegi_xibinevogi.pdfIn PDF document text
- http://files.epictactics.com/uploads/1/3/0/8/130815228/kemugetajatepuneva.pdfIn PDF document text
- http://judet.parkgospelhall.net/uploads/1/3/1/4/131437087/museregaguxo.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/1/0434/9476/8802/files/zilajukuwumitadomuwune.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8357/0083/files/57052672684.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5747/0872/files/ibps_po_application_form_last_date_2019.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4895/1194/files/berhampur_university_syllabus_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0378/1015/files/merge_files_with_adobe_acrobat_reader.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7063/5680/files/road_construction_risk_assessment.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0715/6128/files/shot_tower_dubuque_menu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1293/2255/files/gusanamotemojedone.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0484/7062/2358/files/97706726940.pdfIn PDF document text
- https://45e373fd-4384-4deb-9e8b-7e0063d5feff.filesusr.com/ugd/48bf55_148ca5272bd54ea98d56d2ae7d75e549.pdf?index=trueIn PDF document text
- https://04915d71-9b79-4b16-aa33-896e295130c6.filesusr.com/ugd/2b25e8_e0398783352d423bbbf174125961e8e1.pdf?index=trueIn PDF document text
- https://1089a061-4f42-45c5-bc2b-b71a525296e2.filesusr.com/ugd/0251f0_37e33344e123409d9d95a9d43fe97fef.pdf?index=trueIn PDF document text
- https://71c3e9b3-2bc3-4089-84a7-72a525cd8225.filesusr.com/ugd/a2c2bc_e52de37aaf804dd4ade045a7c1d3d0c6.pdf?index=trueIn 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_off000068c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68C4 | 5792 bytes |
SHA-256: 8212b53d6a5ad3adb2e68a8b3dcaff1d61579069ee8e8d8a61e9bc3dab0a8b5e |
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font_01_sfnt_off00007c5f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C5F | 10420 bytes |
SHA-256: 3be2dc8081ef60ec9994687ce47f939f685f9aeb289c7ae2b6a02a9945c50f43 |
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