MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
T1059.001 PowerShell
This PDF file contains a lure for a 'computer networking tutorial' which, upon clicking, redirects to a malicious URL. The document also contains a mass external PDF link farm, indicating an attempt to manipulate search engine results or distribute further malicious content. The presence of a remote-support tool lure suggests a potential secondary objective of gaining unauthorized access.
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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Remote-support tool lure high SE_REMOTE_SUPPORT_LUREDocument instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
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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=computer+networking+tutorial+pdf+free+download In PDF document text
- http://files.alycewolfe.com/uploads/1/3/1/3/131381677/nidimipapireji_pefobawavu.pdfIn PDF document text
- http://files.arlingtonmsband.com/uploads/1/3/1/6/131606087/ddee7.pdfIn PDF document text
- http://files.lakappas.com/uploads/1/3/1/3/131380627/babf9c37c6ee9.pdfIn PDF document text
- http://files.thepurposedathlete.com/uploads/1/3/1/4/131438330/1676827.pdfIn PDF document text
- http://files.mackcommunications.com/uploads/1/3/2/6/132681054/66f99.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/1/0437/4649/2565/files/72556620795.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wefudebavisizaku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gofusibosaduxigagixuvoma.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2656/9633/files/too_much_tnt_mod_1._7_10.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1415/1589/files/73145117200.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0513/1421/files/ato_mix_virtual_dj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4732/0728/files/8349886241.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3804/7384/files/32721094607.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7153/6294/files/sesumilolenazogapeno.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7905/7056/files/23610391261.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3127/2351/files/90358162357.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5298/9605/files/donasamonopuzovepif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3173/2132/files/83105890651.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_off00006314.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6314 | 5244 bytes |
SHA-256: 8a85408a468d3963a2b49a10979c2bc308859f726502e5f573fedd4bc9678320 |
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font_01_sfnt_off000074e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74E8 | 10084 bytes |
SHA-256: 345219abc32de70c53d7bd6f8fa5212d0cc9903fd0ef92aa96a12f8f5bc6d1f4 |
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