MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm designed to appear as educational resources, but the primary link redirects to a known malicious infrastructure. The document body, though heavily obfuscated, contains the target URL 'https://ttraff.cc/pify?keyword=us+history+textbook+11th+grade+answers' and several other URLs hosted on Shopify, likely to improve search engine ranking for the malicious content. This suggests a phishing or scam attempt using SEO techniques.
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/pify?keyword=us+history+textbook+11th+grade+answers In PDF document text
- http://files.corshambridgeclub.com/uploads/1/3/0/7/130776578/wifamesuxik_wuzerofid_firewesedi_vuralutineliti.pdfIn PDF document text
- http://bezuta.clevelandburlesque.com/uploads/1/3/0/8/130813528/7701862.pdfIn PDF document text
- http://files.harveyhensley.com/uploads/1/3/1/4/131408415/8193914.pdfIn PDF document text
- http://bomiveki.businesstodaynewsletter.com/uploads/1/3/2/6/132695742/869214.pdfIn PDF document text
- http://files.club-kizomba.com/uploads/1/3/0/7/130775228/234242833d3.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/1/0433/0107/7142/files/13067973954.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1383/2857/files/rulirowesed.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9724/2280/files/24314293320.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0491/7917/files/pais_brilhantes_professores_fascinantes_augusto_cury_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6843/2288/files/6224391828.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/30740110423.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1594/6911/files/divixijadokexiriwolufoj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/4827/5863/files/cycleops_fluid_2_trainer_instruction_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6633/6167/files/fizibejomilefebesiveboti.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5498/0520/files/anabase_xenophon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0452/2462/4288/files/best_books_for_learning_chinese.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9869/3013/files/sewing_book_download.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn 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 |
|---|---|---|---|
stream_005_off0000cf92.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xCF92 | 18380 bytes |
SHA-256: 64e00c3f5b7ab61e81ee5e1ef38d3f9ecd942b20df6117951c07ddfdccc76e55 |
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font_00_sfnt_off00009003.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9003 | 5564 bytes |
SHA-256: 8350476d256d0c4151926548b915b02a58d6b1ce4842b230a1fd348e2bfb1813 |
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font_01_sfnt_off0000a305.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA305 | 13756 bytes |
SHA-256: 67213d638a03eb562d4871c6a34199e7c6fbf9e9a9eb503b1a837fc93f8af32f |
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