MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains numerous links to SEO redirector infrastructure, specifically pointing to 'ttraff.cc' with a keyword suggesting a lure for 'critical reasoning pdf for clat'. The ML classifier strongly indicated maliciousness, and the presence of multiple external PDF links further supports a malicious intent, likely for phishing or distributing further payloads. No scripts were extracted, but the document's structure and embedded links are indicative of a malicious campaign.
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=critical%20reasoning%20pdf%20for%20clat In PDF document text
- http://files.gollychickens.com/uploads/1/3/2/6/132681307/rilegor-tedaruwos-fabavu.pdfIn PDF document text
- http://files.sidemocrats.com/uploads/1/3/1/4/131408117/rifefeposokaj.pdfIn PDF document text
- http://files.zuowenjie.net/uploads/1/3/2/3/132303163/ed091d.pdfIn PDF document text
- http://files.balletfolkloriconwi.com/uploads/1/3/1/8/131860125/kudalada.pdfIn PDF document text
- http://files.foryourhead.net/uploads/1/3/0/7/130739459/ziraragevalo_muzugevizovugor_turukazu_momirapug.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/1/0435/2904/4127/files/nowesosiv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0201/9487/files/67959356419.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8524/2269/files/muralexeboxirijuga.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4579/6512/files/nidusevilej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7503/4520/files/tuwosutune.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9313/9364/files/balonaxejegowomov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7027/4201/files/54784909222.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3749/7243/files/nojorakad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8669/3023/files/4683203084.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7526/3909/files/nigemivib.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/7205/9547/files/31699498697.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/doragewotupepefe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/85583151980.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_off000074dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74DD | 5132 bytes |
SHA-256: be631cad3444d0af738f03272d5076320e30b63eac72952657d51903c1e09822 |
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font_01_sfnt_off0000865d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x865D | 10492 bytes |
SHA-256: 655061dac1530439ed32ea8e8f9e812b416efc4ced874ef72c3feae60521fddb |
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