MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a mass of external links, with one prominent link identified as a malicious redirector. This link, 'https://ttraff.cc/wix?keyword=boolean+algebra+class+12+computer+sc', is presented within the document body, likely disguised as a call-to-action or download button. The presence of numerous other PDF links suggests a link farm or SEO poisoning tactic to distribute the malicious URL. No scripts were extracted, but the PDF structure and the malicious redirector URL strongly indicate a phishing or malware distribution attempt.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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/wix?keyword=boolean+algebra+class+12+computer+sc 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/1/0429/4351/2732/files/23589518158.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1972/2152/files/10890160286.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6197/6994/files/malayalam_english_arabic_dictionary_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4217/7181/files/dupupemufuxoboriwijuveba.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_61bd09aa55164e8187b767f01e3b8b5b.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_e824070f6e1745b1bfb4cc3cb22c099a.pdfIn PDF document text
- https://static.usrfiles.com/ugd/6a7407_bd094b3a277649498dd9c6e25defa2a8.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5567/6568/files/venomovofav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0466/2670/1477/files/seantree_ampoule_mask_sheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3317/2885/files/ruluget.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5581/5583/files/xoviramevulapemuwo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0609/9605/files/js_random_number_between_range.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/4137/9736/files/diploma_certificate_templates_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3725/3023/files/36769134360.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9528/5159/files/7710703267.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007c9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C9D | 5624 bytes |
SHA-256: 263cc37c99713feca26cc6552eaf2290fc816942105dc3637f2d42dc559f58f7 |
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font_01_sfnt_off00008fad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8FAD | 15252 bytes |
SHA-256: 059027ec48f593d7ceb9e0753bd172960c548390058ee85e9079204af9fb07bf |
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font_02_sfnt_off0000bf29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF29 | 16088 bytes |
SHA-256: ccd0ea095085b9379100d4de0d13d045157d8501f46cd3db2ef5c00475687e02 |
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