MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a social-engineering lure, instructing the user to install a browser extension or update to view content. It also embeds numerous links, including one that redirects to known malicious infrastructure via ttraff.com. The document body text and embedded links suggest a phishing attempt disguised as a study guide, aiming to trick users into clicking malicious URLs.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
-
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.
-
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.
-
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.
-
Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
-
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.
-
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=wiley+cpa+exam+review+2020+auditing+and+attestation+pdf In PDF document text
- http://files.cobaltcommunityresearch.org/uploads/1/3/2/6/132681851/livefamebuluz.pdfIn PDF document text
- http://files.campbellbarnescounselling.com/uploads/1/3/0/7/130739183/fasamudavum.pdfIn PDF document text
- http://files.performancedobermans.com/uploads/1/3/0/9/130969831/wifeja-lifosagi-tugowizovuxo.pdfIn PDF document text
- http://files.benallanoff.com/uploads/1/3/1/4/131454114/pulixiweselenitiziru.pdfIn PDF document text
- http://files.newyorkbabystork.com/uploads/1/3/0/7/130775471/b9ef69c.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/1/0427/4041/6678/files/dulenexibelaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4877/1488/files/visual_studio_2005_redist.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7047/9768/files/48758765137.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/loxidunadubufurepetiverox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9602/3975/files/vigesezavovadunube.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9140/9562/files/36789515954.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/64989875230.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3619/7542/files/5067694730.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7028/3173/files/77832196881.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9662/7618/files/55374322638.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/96626323422.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6987/5111/files/64751689281.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5676/6869/files/2004_polaris_sportsman_500.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_off00005548.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5548 | 6084 bytes |
SHA-256: 20b325d353098669013ba378356525502751962a058911e20a147d808768bb21 |
|||
font_01_sfnt_off00006a18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A18 | 10444 bytes |
SHA-256: 95cebfafaaaeb877683d9581afc9e5cc30ec702826ff712773ff1d37ba8b07b5 |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.