MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, including a critical redirector link to 'ttraff.ru' which is disguised as a download for 'Avira VPN Android APK'. This suggests a social engineering lure to trick users into visiting a malicious site. The PDF also exhibits characteristics of a link farm, with many embedded URLs pointing to external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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=avira+vpn+android+apk In PDF document text
- http://files.dotexcanada.ca/uploads/1/3/2/6/132695620/pofavifugitaladepapo.pdfIn PDF document text
- http://files.rryardhubcaphobbies.com/uploads/1/3/1/1/131163774/a851a8bda456f.pdfIn PDF document text
- http://files.bigcreekbulldogs.com/uploads/1/3/0/7/130775431/vexepivujesu.pdfIn PDF document text
- http://files.jagodadobecka.com/uploads/1/3/0/7/130776408/5744682.pdfIn PDF document text
- http://files.seespotflorida.com/uploads/1/3/2/6/132695361/8817261.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/1/0430/4093/1991/files/61341258806.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2030/4034/files/40433532225.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9704/7718/files/40536167367.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0708/0608/files/56689100074.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2164/6498/files/avant_browser_free_for_xp.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6068/1109/files/nebobewaxojos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2335/8358/files/19805203972.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/9346/4990/files/14944730353.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0868/7269/files/nuxilesowasorukalowiru.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7505/1415/files/47012521950.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000064a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64A0 | 6496 bytes |
SHA-256: 18d902f52f4f53955862795735abed03dd9aaf3f0d7a57a8946ad40012f6128f |
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font_01_sfnt_off000074a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74A3 | 5228 bytes |
SHA-256: 928b2caa3655adc30fe81fa64135d16914a7bcd371408d6b9f603de32f5bfd8d |
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font_02_sfnt_off0000868b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x868B | 4856 bytes |
SHA-256: 33b302b8a9b14e0a785b82194d9ab896f973e758f50a9d1fc506a7124d86d25b |
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font_03_sfnt_off0000971a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x971A | 1680 bytes |
SHA-256: debaf3ff37cadd88e03f56a1da1b20b0676acbb0c2dfc7de7569b922f44b7b54 |
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font_04_sfnt_off00009f67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9F67 | 12684 bytes |
SHA-256: 392b2da41f303aa502aedbf167449acb82775dbb5910f991bb2aa58607de286d |
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