MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains multiple heuristics indicating malicious redirector links and a link farm, suggesting it's part of a phishing or SEO scam. The embedded URL 'https://ttraff.link/wix?keyword=android+application+framework+architecture' is identified as a malicious redirector. The document body, though heavily obfuscated, contains this URL, reinforcing the phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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.link/wix?keyword=android+application+framework+architecture In PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_5eec4bbe028b4a24be489570cf5eb964.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_114e5d7d0dcc4541a4bc9ba8b55104f5.pdfIn PDF document text
- https://static.usrfiles.com/ugd/930050_e0c42fea26884d378b5678a3200c9183.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_6da60fc53bc84772bafbcda19175f603.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4017/7314/files/reading_files_c.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8297/3346/files/fazixidawijesazupi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2029/5064/files/autism_spectrum_disorder_review_article.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_f28915aefff245bcae49073376a60597.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_9a0d2140dc5c485c8c0658163308a9da.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6255/0940/files/85556920008.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3264/8602/files/256_odu_ifa_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5652/9557/files/xopogasamavupixez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1341/2760/files/xuvexofokuvojeniv.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011a46.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A46 | 6568 bytes |
SHA-256: 2ba6e0c4516ae528974428ab90d2fcb845e31fc6427c3681d976df34e50bf0fe |
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font_01_sfnt_off00012a93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A93 | 5360 bytes |
SHA-256: ae772815dda81d26b8815295b02744879901f895cedb19b5be3aad2a73083398 |
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font_02_sfnt_off00013ca6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CA6 | 2972 bytes |
SHA-256: b3f14c79eedfe3e63b1bf02426892f9f21fbd4a9923dd1f7c6c1650fbc2b9ee2 |
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font_03_sfnt_off0001492b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1492B | 10200 bytes |
SHA-256: 9b6d883ec4b240178aa021abfb938bca99c6fc225a3154c2a05d57e367440a09 |
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font_04_sfnt_off00016c41.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16C41 | 16116 bytes |
SHA-256: 3dae81b76154e7c62b3b0d30507344c78f02ee9172d09a03fe7a9af96af9e849 |
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