MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass of external links, many of which point to a link farm hosted on Shopify. One of these links, disguised as an admission form, redirects to a known malicious redirector. The document body, though heavily obfuscated, contains the string 'Rscit admission form pdf' and the malicious URL, indicating a lure to a malicious site. No scripts were extracted, but the PDF structure and embedded links strongly suggest a phishing or redirection attempt.
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=rscit+admission+form+pdf In PDF document text
- http://files.jagregina.com/uploads/1/3/0/9/130969322/dafewurexebed-xonumonade-danuzotituvu.pdfIn PDF document text
- http://files.lakewoodinstituteoftheatre.org/uploads/1/3/1/1/131164180/bujodovamapisa.pdfIn PDF document text
- http://files.hotairmarketing.com/uploads/1/3/1/4/131406258/a0f24b53727c.pdfIn PDF document text
- http://files.oldcigarwarehouse.com/uploads/1/3/1/6/131606803/5432894.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/1/0428/8207/2743/files/kumazun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6048/5541/files/mathematics_for_economists_norton_1994.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/17721531589.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3679/3237/files/tutorial_archicad_21_espaol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6653/0719/files/effects_of_alcohol_on_pregnancy.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5036/0232/files/dekufivifedopiluvewapam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1154/7036/files/rofobamiremefizaze.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9127/1586/files/79595038412.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2979/8807/files/valve_amplifiers_fourth_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7361/0663/files/12813968273.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2823/3883/files/nbme_cbse_remembered_questions_full.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2834/9085/files/97503271655.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0827/0244/files/tetixesovizopigavug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zenafepejeviwasi.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_off00006635.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6635 | 5276 bytes |
SHA-256: 610d10ad8ba98083f38d03f44a315cf35edd84a4c14fd4c0fcd4a23c973e6fd5 |
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font_01_sfnt_off00007808.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7808 | 9964 bytes |
SHA-256: 448d62ebc44ac97dcc7ba8c8f8fd37a6f83d021c71cf7ced12c3a5bc746e915f |
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