MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm designed to redirect users to malicious infrastructure, specifically targeting the URL https://ttraff.ru/pify?keyword=l+or+blaise+cendrars+pdf+gratuit. This is further supported by ML classification and critical heuristic firings indicating malicious redirector links and a link farm. The document body, though heavily obfuscated, contains the same malicious URL, reinforcing the lure for free PDF downloads.
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=l+or+blaise+cendrars+pdf+gratuit In PDF document text
- http://files.rogercoss.com/uploads/1/3/1/3/131379594/gaborozol.pdfIn PDF document text
- http://files.crystalclearcommunications.co.uk/uploads/1/3/1/4/131406286/9906663.pdfIn PDF document text
- http://files.204armycadets.com/uploads/1/3/2/6/132682039/96e336a1184c.pdfIn PDF document text
- http://dumumike.honanhomespun.com/uploads/1/3/1/4/131453574/9871901.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/1/0429/6281/3084/files/jalifazozetoramo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7813/9556/files/dolik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8832/1435/files/remifubufuwiwimuguduzon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6230/5702/files/33928470564.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4854/3142/files/nesifojitaxufapagisum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1344/7584/files/47370854021.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9930/6648/files/tuporebobutivema.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5453/8656/files/webigifawali.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4951/7205/files/25087579364.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/7016/6942/files/gifozitedoziforamazisujej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9360/6048/files/fupixejuvunij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1712/6556/files/python_datetime_to_string.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1478/2103/files/41642765099.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1641/9488/files/apologetica_catolica_purgatorio.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_off00009c4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9C4C | 5404 bytes |
SHA-256: 5dfd135d153bd3d525cb97913ee148e5021a35f1ec0004056c16346b488d8b5c |
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font_01_sfnt_off0000aeb7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAEB7 | 10416 bytes |
SHA-256: b1a7cfc460969cd85c4dc0f87c84d179180a9d4c7c47fe743e2214b5615da983 |
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font_02_sfnt_off0000d25d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD25D | 16060 bytes |
SHA-256: d8a1a34de14a7b8fce5e51635835121d353d188f9ac9ce1e11538509fd4c5cdc |
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