MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link that redirects to a malicious domain, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text related to 'aiou solved assignment spring 2020 pdf' and the malicious URL, suggesting a lure for academic-related phishing. The PDF_SEO_LINK_FARM heuristic indicates a large number of outbound links, further supporting the phishing or spamming nature of the document. No scripts were extracted from this sample.
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.com/pify?keyword=aiou+solved+assignment+spring+2020+pdf In PDF document text
- http://files.gemmacrow.com/uploads/1/3/2/7/132740836/mofalewebafu-mawijofodenaweg.pdfIn PDF document text
- http://files.tilliesschoolofperformingarts.com/uploads/1/3/0/7/130775172/874441.pdfIn PDF document text
- http://bowenoru.marmatoncc.net/uploads/1/3/2/6/132683188/5295908.pdfIn PDF document text
- http://files.iamroyalheir.com/uploads/1/3/1/4/131438044/9328701.pdfIn PDF document text
- http://files.wetfutures.eu/uploads/1/3/0/7/130739704/dewubi-fulave.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0435/9513/7187/files/30271956620.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7712/4764/files/74152045399.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7986/8324/files/jojezezoweben.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2040/3356/files/nibomuz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4857/4884/files/sigak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2060/6885/files/luzewutixejota.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5840/5271/files/classical_mechanics_taylor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/89120683065.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5199/9637/files/vumokatinileletoligazux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1141/3915/files/28484331939.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3110/9538/files/11435729959.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/27621352833.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2740/6746/files/pokemon_emerald_ev_training.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007c7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C7C | 5564 bytes |
SHA-256: 4911e20fcddeb0331804f693bfbfece4869879d34713883f1aeedad8a2288de1 |
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font_01_sfnt_off00008f52.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8F52 | 10244 bytes |
SHA-256: 6e3ecc01153fc7383637e085407b0732b1402c9fba06c8327da40a02e80038e5 |
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font_02_sfnt_off0000b250.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB250 | 4324 bytes |
SHA-256: ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230 |
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