MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=hillsong+worship+no+other+name'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, including one to 'https://cdn.shopify.com/s/files/1/0439/7016/6942/files/bifukum.pdf'. The document body, though heavily obfuscated, contains the same redirector URL and a benign-looking PDF link, suggesting a lure to a malicious site.
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.ru/pify?keyword=hillsong+worship+no+other+name In PDF document text
- http://files.seattlefirstbaptist.org/uploads/1/3/2/3/132303080/81e42db7c9176.pdfIn PDF document text
- http://files.graybiel-lab.com/uploads/1/3/0/8/130814126/9885208.pdfIn PDF document text
- http://files.barambah-beekeepers.org/uploads/1/3/0/7/130775062/xukuzadefijizasalo.pdfIn PDF document text
- http://files.polarisportfolios.com/uploads/1/3/0/7/130739919/wemazorenedipakuwa.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/1/0439/7016/6942/files/bifukum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6295/1065/files/vufakofepopi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0962/2687/files/75393821933.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5032/7451/files/33956527482.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7194/6396/files/97114466444.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8044/1238/files/purabikufokelatuxedurepo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8547/1656/files/47818577119.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2259/7796/files/fonuzokosupajekukebuf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2385/9873/files/vumadu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9197/5580/files/82935027900.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5863/3631/files/18347681822.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5136/0164/files/89119220993.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8277/6727/files/59466735989.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_off00006699.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6699 | 5284 bytes |
SHA-256: 90826f8ecd76457189faae8503405669e055deae9147c6dd794ee8feeaa2d02d |
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font_01_sfnt_off00007878.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7878 | 15900 bytes |
SHA-256: 9139a2173beeef05d7a814c81de7c15a06d62a2849c7f72e9ce45b14f14f8549 |
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font_02_sfnt_off0000a944.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA944 | 16100 bytes |
SHA-256: d973db94ba2c448c661c26f08d051ac794e7cb4f3c7daa33c2141e8036f071b6 |
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