MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK pointing to 'https://ttraff.cc/pify?keyword=east+african+history+notes+pdf'. Another critical heuristic, PDF_SEO_LINK_FARM, indicates a large number of external PDF links, with 'https://cdn.shopify.com/s/files/1/0429/6055/2085/files/57757291094.pdf' being the first identified. The ML classifier also strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains the same malicious URL, suggesting a lure to download or view content hosted on potentially compromised or malicious sites.
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=east+african+history+notes+pdf In PDF document text
- http://files.myslotweb.com/uploads/1/3/1/4/131437725/dizudabokulu.pdfIn PDF document text
- http://files.michellebergermd.com/uploads/1/3/0/9/130969942/rikudufusugir.pdfIn PDF document text
- http://files.sangresbestbeef.com/uploads/1/3/1/4/131437987/zuwefatag.pdfIn PDF document text
- http://files.redwingfarm.net/uploads/1/3/1/6/131637273/b60dea50d597c8d.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/1/0429/6055/2085/files/57757291094.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7321/6411/files/30976338067.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9071/4532/files/18093545949.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8558/6849/files/74424721224.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6600/7445/files/vipug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0073/3596/files/67542003314.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1574/0314/files/2665771619.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6924/3553/files/nobubekogegoden.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8454/6209/files/zatovojojanekazu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5196/5855/files/97985781551.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9567/7346/files/nba2k13_free_downloads.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/7993/1806/files/free_john_deere_425_service_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2942/2499/files/juvapes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0235/6127/files/35385206553.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000df33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF33 | 4616 bytes |
SHA-256: 65d4d02d3521338d5dbb870833640eeea06574ef8ad6a2d4a81580a68bc37917 |
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font_01_sfnt_off0000ef44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF44 | 5268 bytes |
SHA-256: 1aad3b74386f282796a6f80f5350fd014ea386df858182b5e4b45ab13e6d94d1 |
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font_02_sfnt_off0001013b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1013B | 11268 bytes |
SHA-256: b5efcdae049d68599c0acaed829297aa6c97daca3f5b90e269cd66f4f8345b23 |
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font_03_sfnt_off00012709.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12709 | 16148 bytes |
SHA-256: 43dd7310e986e37c0562d6efd2a67b6291a0d41fa892ecd43b306c3e7231f7b7 |
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