MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains numerous links, many of which point to external resources, including a known malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a lure for a tutorial on C++ generics, directing users to the malicious URL. This suggests a phishing or social engineering attack aimed at redirecting users to malicious infrastructure.
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.ru/wb?keyword=generics%20in%20c#%20tutorial%20pdf In PDF document text
- http://files.sparetimewooddesign.com/uploads/1/3/1/3/131382430/revozi_wijelile_gijijagafiba_zoxotewodi.pdfIn PDF document text
- http://wigubowig.salemorthodoxchurch.org/uploads/1/3/1/8/131871390/lezunaz.pdfIn PDF document text
- http://files.funcde.com/uploads/1/3/0/7/130739284/regamotukofamepit.pdfIn PDF document text
- http://files.tenneyband.org/uploads/1/3/0/7/130776131/9400016.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/1/0435/5417/7185/files/nanevomewe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/72645751706.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2965/9797/files/melitule.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3128/2335/files/90072675614.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/6569/9478/files/the_hunger_games_watch_online.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4774/5698/files/tessa_blanchard_theme_song.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0451/8959/5287/files/ajax_get_all_form_data.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9713/6030/files/25487456394.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4161/2199/files/54023845341.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7715/7542/files/67630818245.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3448/4648/files/39234085233.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0453/9387/1016/files/88576039554.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9476/8802/files/67145877820.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_off00005fa2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FA2 | 4180 bytes |
SHA-256: 3b6cef37bed91b303a765cddfce4e5cf8934070014be5797f02dabc46fbfc4f2 |
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font_01_sfnt_off00006dc8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DC8 | 14484 bytes |
SHA-256: f67a11b5c058d0549ea908d8a9b682f6f3a4d4f2c63846cd6cf70ef08c9f9b6b |
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font_02_sfnt_off00009b2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9B2F | 4324 bytes |
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
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