MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded links, with a critical heuristic firing for a malicious redirector. The primary malicious URL, 'https://ttraff.ru/pify?keyword=android+support+v7+jar++for+eclipse', is presented within the document body, suggesting a lure to a malicious site. The PDF also exhibits characteristics of a link farm, with numerous links pointing to external resources, many hosted on Shopify. The ML classifier strongly indicated maliciousness.
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=android+support+v7+jar++for+eclipse In PDF document text
- http://mavosa.andreavargasportfolio.com/uploads/1/3/1/6/131637814/774145.pdfIn PDF document text
- http://files.calmumcubs.org/uploads/1/3/1/4/131410685/zutexufe.pdfIn PDF document text
- http://somunolo.sacpdm9.com/uploads/1/3/2/8/132814930/fagoruwu.pdfIn PDF document text
- http://files.highlandbaptistgordo.com/uploads/1/3/2/6/132695194/besalamemofes.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/1/0433/8545/4757/files/faleno.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7442/8827/files/79758436675.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/9185/9358/files/27570020712.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6703/8109/files/metabolism_of_carbohydrates_proteins_and_fats.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2393/2311/files/fazeg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7807/1960/files/tosomeborulozutixadirij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1739/5614/files/milaxemimanakesibujebod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2167/2356/files/90906571462.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9471/3244/files/47123638798.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7473/8586/files/al_arabiyyah_bayna_yadayk_3.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000068a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68A8 | 18184 bytes |
SHA-256: 49752d8295003e369e493bac0d3f4e9386daa4a5903650662903c2a0f2662881 |
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font_01_sfnt_off0000a2b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA2B8 | 5352 bytes |
SHA-256: 3f6a6c2240f4c920f644a2b7a40c0418b50b76b119cb15e1264180825bc3ef42 |
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font_02_sfnt_off0000b50c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB50C | 11104 bytes |
SHA-256: 0b87ba501ee0f35bb5616a66397444c6cb65e0880570c6b70b493e79b0a86714 |
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font_03_sfnt_off0000db1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB1D | 16036 bytes |
SHA-256: 354dce64f07f3d7acdf6a04edf763950ffbfec4edcbb4bfe17b65a83544077bb |
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