MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple links, including one to a known malicious redirector (ttraff.cc), suggesting a phishing or scam attempt. The document body, though heavily obfuscated, contains references to the redirector URL and several Shopify-hosted PDF files, likely part of a link farm designed to improve search engine ranking for malicious content. The ML classifier also strongly indicated maliciousness.
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=amplitude+modulation+applications+pdf In PDF document text
- http://files.htcatholicschoolmyrtlebeach.com/uploads/1/3/1/0/131069781/jeriwepadivebu_momasidaxifizem_pitukikinewu_toluvo.pdfIn PDF document text
- http://banod.dignityshouse.org/uploads/1/3/0/7/130775387/16a87f.pdfIn PDF document text
- http://zanati.spencerclarkphotography.com/uploads/1/3/2/7/132740435/xikoju-zufebovikatena-limelined.pdfIn PDF document text
- http://wijigeji.gpsafety.net/uploads/1/3/2/7/132740836/koxepurig_morujepux_xisajimekena.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/1/0430/8942/8637/files/calibration_of_weighing_balance.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9378/6791/files/5748603874.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5107/2158/files/51987809053.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6681/7689/files/80526481042.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3975/0294/files/bojiba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1992/7713/files/19950977897.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1281/5008/files/20486663306.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8831/3506/files/35059882997.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9200/0406/files/48094551866.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3998/0710/files/giresazesipuxometebelukaf.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_off00006d9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D9B | 5196 bytes |
SHA-256: cd15c52a0a412b73cc8beedd1ff51de50cb95f355b5b5b148c24fcdea0865a54 |
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font_01_sfnt_off00007f31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F31 | 1596 bytes |
SHA-256: d915b4c88dfdf60cdb32956bab26f2e5031be282031ae5e7e96d84eb7a97fb75 |
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font_02_sfnt_off00008749.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8749 | 10432 bytes |
SHA-256: e5e49f191833bc1a214cbb7c0f35a9f504d1ca38956f8d9c0e8ccdcc6a29952e |
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font_03_sfnt_off0000aae4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAAE4 | 16400 bytes |
SHA-256: 5d8d726b7924626b6582eab718e65b9af01522c6da373b3dbc646370f5c181f4 |
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