MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link pointing to 'ttraff.ru', which is presented to the user as a download for 'Bubble shooter 2 for pc free'. This indicates a social engineering lure. The PDF also contains a link farm heuristic, with numerous links to Shopify-hosted PDFs, suggesting an attempt to manipulate search engine results or distribute content widely. The embedded URL in the document body confirms the presence of the malicious link.
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/pify?keyword=bubble+shooter+2+for+pc+free In PDF document text
- http://jepakewu.perthimage.com/uploads/1/3/1/8/131871721/5f8cf6e5.pdfIn PDF document text
- http://files.covidsa.com/uploads/1/3/1/3/131380083/3424723.pdfIn PDF document text
- http://bevokob.coachchoo.com/uploads/1/3/0/9/130968961/numigobedalulov.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/1/0430/3981/7890/files/14290224426.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1315/2673/files/literacy_strategies_for_improving_mathematics_instruction.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9018/9215/files/netumotuwasumamek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9660/4825/files/96172756523.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2741/4696/files/tifutipipumiki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6861/1996/files/25929629531.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7866/4867/files/negesi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7763/9071/files/tasozubigapovagepojomavor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2134/3647/files/cadette_babysitting_badge.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2905/9989/files/80574742935.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7679/4021/files/history_of_ancient_greek_literature.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2969/0528/files/95503882488.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0378/9991/files/30789770067.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5815/1070/files/bolidirug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8692/1376/files/mamas_family_full_episode.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_off00007f1e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F1E | 5212 bytes |
SHA-256: 2c63759fc4667a73cfa23a2cb9df277403d1113109bfb0a88aec726c58855e84 |
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font_01_sfnt_off000090d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x90D2 | 10656 bytes |
SHA-256: ae3af0723179474114e935c0dc55d1623190b71be73ccd36f823d1956baf1699 |
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