MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.ru/pify?keyword=introduction+to+environmental+engineering+solution+manual+pdf'. This URL is presented within the document body, suggesting a social engineering attempt to trick the user into visiting a malicious site by posing as a desirable document. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
Heuristics 4
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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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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=introduction+to+environmental+engineering+solution+manual+pdf In PDF document text
- http://files.goldenorchidphotography.org/uploads/1/3/1/3/131398406/6398309.pdfIn PDF document text
- http://files.iam720.org/uploads/1/3/2/6/132695517/lerisinerudut-fajedemoregepo.pdfIn PDF document text
- http://files.noorduynmathhelp.com/uploads/1/3/1/3/131383760/logukerar.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/1/0432/5454/6590/files/30990280281.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4085/7494/files/41604417814.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9504/6824/files/marujiwa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0158/5570/files/69901648631.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8858/4605/files/marvel_schebler_carburetor_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7061/1861/files/78120273616.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8201/5129/files/46091161497.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/1317992411.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8339/9329/files/rimogijamazuvis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3225/4376/files/95999639572.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0061/7381/files/31768676659.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2974/9145/files/skyrim_legendary_edition_strategy_guide.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_off00023b3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x23B3E | 5472 bytes |
SHA-256: 1ebaa7431d3a11ead4f850953aa1774b418e4c1dcc8dbc85ff1d8a2da60e4fb7 |
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font_01_sfnt_off00024dc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x24DC5 | 2848 bytes |
SHA-256: 2c1b3b3fcf11d10f5f842214be9f6cfea64f7ae940b96421e2de868dd2455d41 |
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font_02_sfnt_off00025919.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x25919 | 19204 bytes |
SHA-256: 38fb3d432f98081e68b6f4d443b7403d815a666e18cb58e892c890b24fec0873 |
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font_03_sfnt_off0002952b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2952B | 16652 bytes |
SHA-256: 99a52bf8ea423efe858852b03def4f3e92c8bdc3bd7f60dab7122454dfb0d886 |
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