MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=polarized+microscope+pdf'. This URL is embedded within the document body, suggesting an attempt to trick the user into clicking it. The presence of a large number of external PDF links also indicates a link farm, likely for SEO manipulation or to distribute malicious content. The ML classifier strongly supports the malicious nature of this PDF.
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.cc/pify?keyword=polarized+microscope+pdf In PDF document text
- http://files.miypnstateconf.com/uploads/1/3/1/6/131606256/fozibuwera-wobixuposog-tifasuvasedop.pdfIn PDF document text
- http://files.bassriverchiropractic.com/uploads/1/3/1/4/131437736/maduziwopimepa.pdfIn PDF document text
- http://files.briona.org/uploads/1/3/1/8/131856456/4352270.pdfIn PDF document text
- http://files.manoliskaratarakis.website/uploads/1/3/0/8/130814124/9fb4c9cd3.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/1/0434/4571/5109/files/zajiribiveruxixut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7713/1683/files/imu_cet_result_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4043/9446/files/86247093296.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5762/6792/files/lokijidinujoxiduwi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8393/2582/files/28738335162.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2630/7480/files/77026761473.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6285/3794/files/mubakemegekopatexebofufa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/6503/1321/files/traduire_fichier_anglais_en_francais_en_ligne.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7754/9726/files/8762589466.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3828/5734/files/sejojovozof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6942/3269/files/17769310166.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1410/2941/files/rakijomonowumaketa.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_off0000bd0f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD0F | 5352 bytes |
SHA-256: f015fb48bb98bf5aa82d3a0f4f0cdd8bd6cf4cb91ee53d29432e7a881ed8ff07 |
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font_01_sfnt_off0000cf35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF35 | 13344 bytes |
SHA-256: 954dbcf0caab8d036230306190c76a3753cb4662109ec4591e1b7416e601b28f |
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font_02_sfnt_off0000f9b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9B2 | 16060 bytes |
SHA-256: ae97ebdbf5cb6679ee3ae7f6f8963da9ec2437ada1f672a33085bc8cbe806833 |
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