MALICIOUS
242
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains numerous links designed to lead users to a redirector URL, which is flagged as malicious. The document body, though heavily obfuscated, contains text suggesting a lure related to 'enrollment system documentation thesis pdf' and includes the malicious redirector URL. The presence of many external PDF links and a malicious redirector indicates a phishing or scam attempt, likely to download further malware or lead to a credential harvesting page.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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.ru/wb?keyword=enrollment%20system%20documentation%20thesis%20pdf In PDF document text
- http://files.blueberrygreens.com/uploads/1/3/0/7/130776152/a8ff981093319.pdfIn PDF document text
- http://files.businesswritingmasters.com/uploads/1/3/0/9/130969389/2803208.pdfIn PDF document text
- http://files.keepsantafetxbeautiful.org/uploads/1/3/0/7/130739871/kurenukifi_keluvajilo_valatum.pdfIn PDF document text
- http://files.thompsonsteamer.com/uploads/1/3/2/6/132695569/motokonafanin.pdfIn PDF document text
- http://files.chankinsing.com/uploads/1/3/1/3/131381066/f3aba0cd3edc8f.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/1/0433/5425/9610/files/how_to_hack_typing_agent.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6378/5112/files/74999537981.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7789/4293/files/basozigidojewisupize.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1324/2005/files/30230169183.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2795/4853/files/51943496595.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1423/2996/files/58372564067.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1128/4893/files/66359417040.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2176/0672/files/86284105948.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0705/7825/files/72659704791.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5670/1346/files/51886581075.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1983/7345/files/nevelazokom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0349/5071/files/desktop_audio_visualizer.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8783/6822/files/lupepefuzolofugola.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/73875000904.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_off00009ab6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9AB6 | 5452 bytes |
SHA-256: 9eb6cf777ca3477dd498fa40177731c0805d5762b21243cd092ae2ad147ce082 |
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font_01_sfnt_off0000ad1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAD1A | 9832 bytes |
SHA-256: ba337ff18a79f2783fc49890bf040446ab77ac6d98ebdebca6d3890306193f14 |
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