MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to external PDF files, suggesting a link farm for SEO manipulation. One critical heuristic identified a link to a known malicious redirector, 'https://ttraff.cc/pify?keyword=mappa+turistica+di+bologna+pdf', which is likely intended to lead the user to a malicious site. The document body, though heavily obfuscated, contains the same URL and references to 'wkhtmltopdf', indicating it was likely generated programmatically to appear as a legitimate document while serving malicious links.
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.cc/pify?keyword=mappa+turistica+di+bologna+pdf In PDF document text
- http://julafaram.crfgoldens.com/uploads/1/3/0/9/130969959/7041182.pdfIn PDF document text
- http://files.jamesballardmusic.com/uploads/1/3/1/3/131381376/3781536.pdfIn PDF document text
- http://files.atvguardshop.com/uploads/1/3/1/4/131407148/477cdc4f3eac96.pdfIn PDF document text
- http://rusokofed.playbettergolfacademy.com/uploads/1/3/1/4/131406893/xosidolix-fakoduzu-temabutazewo.pdfIn PDF document text
- http://files.abarthdrivingschool.co.uk/uploads/1/3/0/8/130814466/3395625.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/1/0435/8212/8291/files/vovegimuvebov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8358/6974/files/80743321563.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9360/6046/files/cub_loboy_154.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5847/0810/files/javascript_tutorial_with_examples.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1198/0964/files/xazuginixivizugo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7719/8229/files/jhumka_gira_ray.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0587/8170/files/93707082614.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4337/2699/files/alpha_color_codes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9815/9769/files/bosofav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5538/0630/files/barojogis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6772/8279/files/biosurfactant_producing_bacteria.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007dc9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7DC9 | 5468 bytes |
SHA-256: 2b69c52509aba4881240e8a191291645f85643b8aa49114020e804fba1aa9de9 |
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font_01_sfnt_off00009065.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9065 | 11872 bytes |
SHA-256: e7e26241d8570ad517a1b9bdadfbfa1330c0b47bfcce50c1059aface7772353b |
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font_02_sfnt_off0000b73c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB73C | 16312 bytes |
SHA-256: 975089639afea594160f6daa1ae948ffc4125994d61a9fd32dce02580f7b6b15 |
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