MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
T1059.001 PowerShell
The PDF document contains a social engineering lure, presenting itself as interview questions to trick the user into clicking a link. This link, 'https://ttraff.cc/pify?keyword=mpls+vpn+interview+questions+and+answers', redirects to known malicious infrastructure. The document also contains a large number of external links, many hosted on Shopify, which is indicative of a link farm used for SEO poisoning or distributing malicious content. The heuristic 'SE_BROWSER_INSTALL_LURE' further supports the social engineering aspect.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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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
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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=mpls+vpn+interview+questions+and+answers In PDF document text
- http://jetunax.calaverasarts.org/uploads/1/3/2/7/132741100/3500105.pdfIn PDF document text
- http://files.divorcecoachingandconsulting.com/uploads/1/3/0/8/130874518/bejam-soselovorifat-tekumubobup-powidonuvewadar.pdfIn PDF document text
- http://files.cowgirlastrologer.com/uploads/1/3/1/4/131406893/07146de51.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/1/0433/5452/1758/files/41618886023.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7121/8588/files/wowupunuludupimufan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4667/4330/files/consumer_awareness_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3724/6118/files/madavarodigeniwem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4294/6724/files/definitions_of_accounting_terms.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2930/7296/files/mitekexonok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4178/1920/files/periodic_table_elements_chemistry.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4768/1191/files/pufaxa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8982/9800/files/carmilla_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2930/6263/files/19871262715.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6983/2342/files/app_addict_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8833/9361/files/gigemumibutawesuwafez.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_off00007793.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7793 | 5236 bytes |
SHA-256: 3dda0cd696af6649d008dffeed1e097beeff699bc3a3ee4b27a39d60ebeda8ee |
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font_01_sfnt_off00008984.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8984 | 10356 bytes |
SHA-256: e6d7894f9dfe37c5a5a4f2d208c48c8c3bd54d55811a35c4c6a37438d943774f |
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