MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains multiple embedded links, with one heuristic specifically flagging a link to a known malicious redirector. The document body, though heavily obfuscated, contains text related to a syllabus, suggesting a lure. The presence of numerous external PDF links further indicates an attempt to direct users to potentially harmful content.
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=upsc+botany+syllabus+2020+pdf In PDF document text
- http://files.doodledogs.org/uploads/1/3/0/8/130814118/wanurete.pdfIn PDF document text
- http://files.seafoammag.com/uploads/1/3/0/8/130813888/1376286.pdfIn PDF document text
- http://files.singplayaudiate.com/uploads/1/3/2/6/132681144/f6d57c55.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/1/0439/5037/5070/files/piloda.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3542/5944/files/15572458826.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5598/0439/files/dajavesugavasemof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0505/8976/files/selavajumimoxogobanus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1592/0024/files/50897315668.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9050/9973/files/41578106670.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7105/2703/files/74014731881.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3031/4151/files/jimolak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0413/3525/files/30900096572.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3997/3788/files/rolodol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9814/4932/files/72077029474.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4228/3432/files/dolovikawepobenegipatim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/94323725826.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_off0000818f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x818F | 5276 bytes |
SHA-256: 2d04f8196f71bea5b225e92c31c006c795241a4e57ae0fd32a14c95d73fc46fd |
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font_01_sfnt_off0000937e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x937E | 2320 bytes |
SHA-256: d97e055e11de589539a249dfdf9c15aca1e9caf4700104d1763a3a5d87d8f7f2 |
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font_02_sfnt_off00009dcf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9DCF | 9984 bytes |
SHA-256: 2598ac2eecc6fee9c638ea1cf9f8ced6627bdf24069ad5b23c844aa33c756c06 |
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font_03_sfnt_off0000bfe3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFE3 | 16224 bytes |
SHA-256: 207faf14306426b668b87aba0c9d447b8ba40b67f0f7b18660ffa0d3c8132265 |
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