MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded links that point to a known malicious redirector, ttraff.com, which is designed to lead users to malicious content. The document body, though obfuscated, contains text suggesting it is an admission form, a common lure for phishing attacks. The presence of a large number of external PDF links, many pointing to Shopify, suggests a link farm used to obscure the ultimate destination and potentially for SEO manipulation to increase visibility.
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=ycmou+admission+form+pdf In PDF document text
- http://fugob.toldyouitsvegan.com/uploads/1/3/1/6/131637016/gitisobemodatop-jisuratipat.pdfIn PDF document text
- http://kupuga.jwschaefer.com/uploads/1/3/1/0/131070767/nupodipenamafi_wigab.pdfIn PDF document text
- http://files.shermanlibrary.net/uploads/1/3/1/3/131398221/3669069.pdfIn PDF document text
- http://rilobabi.lisaloguebooks.com/uploads/1/3/1/1/131164243/48aeffd89c49875.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0445/5153/6799/files/watauga_county_roads.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8728/0790/files/pizudone.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1095/7210/files/kipuxuxubejixolitivagi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0872/1049/files/tobijupebulilexuduxo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9151/5805/files/minecraft_pe_servers_0._12._1.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7877/9029/files/16790718455.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8245/7000/files/language_skills_in_english.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0631/9001/files/case_files_pharmacology_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/5081520916.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1729/8342/files/tegodopezaba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5372/7387/files/givoxonalokison.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2502/1603/files/this_is_where_i_leave_you_netflix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4790/1592/files/1621904897.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006d93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D93 | 5232 bytes |
SHA-256: 0c527407bc16b4f4698a5db206efc7f48f945529dbafc4f71bb3daa3289d4d88 |
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font_01_sfnt_off00007f4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F4C | 10244 bytes |
SHA-256: 26071a8215e063d700bd92a8b931022d85d01b59f033a29f4c82fdd7b7cec46e |
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font_02_sfnt_off0000a29a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA29A | 9336 bytes |
SHA-256: 11d2fb1d52d3760aabe0a6e41bdcd70a513eaf5076ced952aa0e03c8c23388cb |
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