MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains numerous embedded links, including a critical redirector link to 'https://ttraff.ru/wb?keyword=solution%20manuals%20for%20textbooks'. This indicates a likely phishing or social engineering attempt to lure users to a malicious site. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted from this sample.
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/wb?keyword=solution%20manuals%20for%20textbooks In PDF document text
- http://files.salpiconontario.com/uploads/1/3/2/7/132740670/6866887.pdfIn PDF document text
- http://files.mybasketball.ca/uploads/1/3/0/7/130740258/1557552.pdfIn PDF document text
- http://vurowem.merakiandcoffee.com/uploads/1/3/1/6/131606490/vodetifuvusojo.pdfIn PDF document text
- http://puxivuje.scbeer.org/uploads/1/3/1/1/131164250/jifuzixisudisolavin.pdfIn PDF document text
- http://files.prairiewindslife.com/uploads/1/3/1/8/131856430/b7100dca24.pdfIn PDF document text
- http://kitaj.noramacquarrie.com/uploads/1/3/2/7/132740763/1374125.pdfIn PDF document text
- http://magomo.movetomadisonvilleky.com/uploads/1/3/1/3/131379935/natebejumizasi.pdfIn PDF document text
- http://files.mickhallart.com/uploads/1/3/2/7/132740949/jovojew_wavisijudisava.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://static.usrfiles.com/ugd/39d081_e8c8f58e1110476abbb56b661a47e5da.pdfIn PDF document text
- https://static.usrfiles.com/ugd/7dfe85_d7f6099f033b44948f60526e639a4f8e.pdfIn PDF document text
- https://static.usrfiles.com/ugd/bb10c5_5b2a4670e5494aa185f6cf0a7fdf5e8f.pdfIn PDF document text
- https://static.usrfiles.com/ugd/4aae87_a7078a699756465baa2a08ee5506a450.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4538/8442/files/fosepipatesuvafosuv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/1473/1429/files/pijizebilaludi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4923/8171/files/pearl_jam_alive_drum_tab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2846/2233/files/paxoronagejop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1023/6314/files/xemilizaruresivatolu.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004992.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4992 | 6384 bytes |
SHA-256: 25c0bba19f432c36329fcb92034f94dd10b488a4dce69aacc8c0eb5d101bf100 |
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font_01_sfnt_off00005949.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5949 | 5288 bytes |
SHA-256: f2676736637f8ef1ad505f9664fdb78b45919847fb7f09fcdd81238d12ea7e7f |
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font_02_sfnt_off00006b29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B29 | 2252 bytes |
SHA-256: 7accecb880c2b0fed565a62c5cae8b27c20057ab4a355afeda0aeb37332f7926 |
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font_03_sfnt_off00007491.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7491 | 9840 bytes |
SHA-256: f0debf9bf28f4c70b67381b29de7113dc0ef000fb4d1503c233ae926c8760599 |
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