MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a lure for a 'visa application form' and embeds multiple links, including one to a known malicious redirector. The ML classifier strongly flagged this PDF as malicious. The embedded links, particularly the redirector at 'https://ttraff.me/wix?keyword=visa+application+form+korea+2019', suggest an attempt to direct users to a phishing or scam site. The presence of embedded URLs and the overall structure indicate a phishing attempt disguised as a document.
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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.me/wix?keyword=visa+application+form+korea+2019 In 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/1/0433/5036/0232/files/losezumumi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1080/8213/files/binuwopoxinogulanizotogu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5666/8573/files/spanish_2_final_exam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7503/4520/files/78505938442.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/4194/2678/files/american_reunion_full_movie_online_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3301/0074/files/kagakumaje.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4222/6854/files/keto_diet_book_best_seller.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4578/8584/files/chola_ms_health_insurance_pre_auth_form.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0525/5586/files/addition_with_regrouping_worksheets.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6657/2452/files/85739186700.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/27039997465.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3882/6918/files/25479644141.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9907/8299/files/diferentes_tipos_de_enlaces_quimicos.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005e7d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E7D | 6744 bytes |
SHA-256: 8187145963fbf8e0b7977f93bb9cbfc296fb812f6e2b6f40a3c8d31ca5a797a4 |
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font_01_sfnt_off00006f64.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F64 | 5672 bytes |
SHA-256: 76fe1f716324f39c71a8f88a85646b0ad77cea4b0667dd39b5dda8bb2fa90f9c |
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font_02_sfnt_off000082a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82A9 | 10244 bytes |
SHA-256: bdb33d8f2f9821a3dd6de62fcad341696f707c0623ed3379b60aa7ba316baac4 |
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