MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains embedded links that redirect to a malicious SEO link farm, specifically `https://ttraff.com/pify?keyword=cds+2+2018+answer+key+upsc`. This indicates a phishing or scam attempt, likely using a lure related to exam answer keys. The ML classifier strongly flagged this PDF as malicious, and the presence of redirector links confirms malicious intent.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=cds+2+2018+answer+key+upsc In PDF document text
- http://files.thetrumpantidote.com/uploads/1/3/0/8/130814387/9ea969.pdfIn PDF document text
- http://vazar.puresculptbeauty.com/uploads/1/3/1/4/131453150/mebik.pdfIn PDF document text
- http://kenus.mosbespokecakes.co.uk/uploads/1/3/1/4/131438641/kinutawelakol_dojan_vutedodamiw.pdfIn PDF document text
- http://files.mikelahenrylowe.com/uploads/1/3/0/7/130775762/ximenada.pdfIn PDF document text
- http://patamive.msubpnp.com/uploads/1/3/1/4/131407067/2317869.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/1/0430/0665/6666/files/85156440151.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8660/0597/files/convertir_en_autocad_gratis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4078/5062/files/wupigabebekinolesini.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9627/6128/files/95832611912.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5345/6289/files/bagatelle_beethoven.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4528/0161/files/academic_writing_answer_key_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7189/6736/files/appsense_citrix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6924/3549/files/93056188915.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6196/8025/files/criminology_larry_siegel_11th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9186/8313/files/rabodudopuvakazunubukivof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1594/6918/files/pdf_agama_kelas_12_kurikulum_2020.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006cd2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CD2 | 5720 bytes |
SHA-256: 9f3b016ba4cb30c68e15d0583716b64dcb3784841a45ba7e0f7344cd50e3c811 |
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font_01_sfnt_off00008075.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8075 | 14164 bytes |
SHA-256: 7fd199edf07d4452ea581a1088ecf63bfac198f93124bb925693f7388e052410 |
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