MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass of external links, with one critical heuristic identifying a link to a known malicious redirector. The document body, though partially corrupted, includes text related to a 'certificate format' and the malicious URL, suggesting a lure. The primary intent appears to be directing users to the ttraff.com redirector, which likely serves as a gateway to further malicious content or phishing pages.
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/pify?keyword=bonafide+certificate+format+for+school+pdf In PDF document text
- http://files.teddymountainny.com/uploads/1/3/0/7/130738875/0a353b79a3f728.pdfIn PDF document text
- http://pupeji.drscapp.ca/uploads/1/3/2/7/132740214/5271050.pdfIn PDF document text
- http://files.ridetripapp.com/uploads/1/3/0/9/130969897/kigubakazen.pdfIn PDF document text
- http://files.jasontallon.com/uploads/1/3/1/0/131070888/351944.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/1/0430/9201/7305/files/bloqueo_auriculoventricular_tratamiento.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9802/9733/files/89618863332.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2574/3515/files/monudujenokesujobawebuxoz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1537/9880/files/banking_service_chronicle_june_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3798/2869/files/palexiwurujuweboxofotamat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3443/4969/files/drug_metabolism_and_pharmacokinetics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/19836568605.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1409/3986/files/accounting_principles_weygandt_11th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8774/9525/files/92302889043.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2537/5125/files/16162402150.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/3462/1590/files/16910975312.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_off00006997.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6997 | 6744 bytes |
SHA-256: 0eac1552a6a0cc8d6d43e14f5c157d052ff2bf21460314f67a2c213e0a454e63 |
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font_01_sfnt_off00007a7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A7E | 5444 bytes |
SHA-256: 7ce850bd0de051a53fbbc4fc801005fdd34ea73fef6f3c5946e5b5ea6a216d67 |
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font_02_sfnt_off00008cd3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8CD3 | 9820 bytes |
SHA-256: 003e5053794185b1bd5f785633b6c0317fb2c7c8db18c96cb26e4c9b7b0fbeb2 |
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