MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link that redirects to a known malicious domain, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text suggesting it is a 'solutions manual' and includes the malicious URL. This indicates a social engineering attempt to trick users into visiting a harmful site, likely for further exploitation or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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=mathematics+for+economics+student+solutions+manual+pdf
- http://files.bedayatlifecoaching.com/uploads/1/3/0/7/130738841/226e77e11779e.pdf
- http://files.just-beecause.com/uploads/1/3/0/8/130874213/6ed0e49f.pdf
- http://files.kathrynmwhitesel.com/uploads/1/3/0/7/130739590/bolosubuzax.pdf
- https://cdn.shopify.com/s/files/1/0430/9070/6589/files/97058165773.pdf
- https://cdn.shopify.com/s/files/1/0432/7096/3360/files/17930058138.pdf
- https://cdn.shopify.com/s/files/1/0433/5170/3706/files/87294010080.pdf
- https://cdn.shopify.com/s/files/1/0438/4423/9510/files/barron_s_gre_book.pdf
- https://cdn.shopify.com/s/files/1/0429/9928/3863/files/45680708947.pdf
- https://cdn.shopify.com/s/files/1/0430/5921/6537/files/83104639671.pdf
- https://cdn.shopify.com/s/files/1/0434/0675/3948/files/87379112520.pdf
- https://cdn.shopify.com/s/files/1/0429/1543/0559/files/636984870.pdf
- https://cdn.shopify.com/s/files/1/0430/7222/5442/files/87809681428.pdf
- https://cdn.shopify.com/s/files/1/0431/7115/2023/files/maxaxinuvawozoduxafifox.pdf
- https://cdn.shopify.com/s/files/1/0431/7505/1424/files/78609811596.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005549.bina55eb4b9734288e18c4a4ebc2d9256137b7ac088ff71975e59a9def91740dea0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5549 | 5400 bytes |
font_01_sfnt_off0000678c.bin589660878dd5ffffb078c7bd72d1af2fceba6596fda0db0cc71b367f123f7948 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x678C | 10108 bytes |
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