MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a lure referencing 'Ignou ba 2nd year registration form 2018' and embeds a link to a known malicious redirector. The PDF also functions as a link farm, directing users to numerous external PDFs, many hosted on Shopify. The primary malicious link is https://ttraff.com/pify?keyword=ignou+ba+2nd+year+registration+form+2018, which is flagged as a malicious redirector. The document body, though heavily obfuscated, contains this URL and other embedded URLs.
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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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.com/pify?keyword=ignou+ba+2nd+year+registration+form+2018 In PDF document text
- http://files.chslibrary.info/uploads/1/3/1/3/131384025/3483551.pdfIn PDF document text
- http://files.patdbuchananeportfolio.com/uploads/1/3/1/4/131437980/1345641.pdfIn PDF document text
- http://xazefexug.dsrgolftournament.com/uploads/1/3/0/8/130814855/zaripozimamolevefi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8833/9354/files/dalikawake.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3448/3605/files/ansiedad_psicologia.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3165/7638/files/79414489938.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8026/9462/files/98065848757.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1945/2063/files/visasiwutiwawefagetes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4673/1930/files/rilonubutosakezivana.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7431/3621/files/69981593658.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4506/0762/files/1321029052.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/7318/1598/files/mebafejudusajudonule.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0513/1421/files/39369379506.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/60561448525.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5362/2182/files/atualidades_2020_em.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6671/0429/files/ganipij.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_off0000ba7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA7A | 5892 bytes |
SHA-256: e7ce22c7ab57c202a014b452bb33022a4580b35f22a6983670e9e60a5cfeef4e |
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font_01_sfnt_off0000ce83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE83 | 10456 bytes |
SHA-256: 28c7691791438195966969839c0f5b15d518ce4f9b297a031f671b4c31c7b003 |
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font_02_sfnt_off0000f26e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF26E | 16164 bytes |
SHA-256: c41fc46809d2260d2d1a821cef6bb00dae560fdbad380da94a93f29d012df54e |
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font_03_sfnt_off000107bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107BF | 3968 bytes |
SHA-256: c759dc55a4f5b46339faee898d420b8ed8ae04769135fa9975fe34ec3fc1bb41 |
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