MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, forming a link farm. One critical heuristic identified a redirector link to 'ttraff.cc', and another flagged the document as a 'PDF_SEO_LINK_FARM' due to the mass of external PDF links. The document body contains text related to lyrics and chords, likely a lure to disguise the malicious intent of distributing numerous other PDFs.
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/wb?keyword=shepherd%20of%20my%20soul%20lyrics%20and%20chords%20pdf In PDF document text
- http://files.kafyeblaan.com/uploads/1/3/1/8/131856381/becb5.pdfIn PDF document text
- http://files.companionsofchrist.org/uploads/1/3/0/9/130969375/3234800.pdfIn PDF document text
- http://files.nphsjrwolfpack.com/uploads/1/3/1/4/131483253/pageponiputi_gosalobire_vopepas_fatibo.pdfIn PDF document text
- http://files.barefootlaneclothing.com/uploads/1/3/0/9/130969710/1791883.pdfIn PDF document text
- http://files.blueghostbrewing.com/uploads/1/3/0/8/130814157/fenumedul.pdfIn PDF document text
- http://files.agbcontracting.com/uploads/1/3/2/7/132712514/2125422.pdfIn PDF document text
- http://files.dannywindsor.com/uploads/1/3/2/6/132681325/toroduj.pdfIn PDF document text
- http://files.albertadachshundrescue.com/uploads/1/3/1/8/131871480/7916040.pdfIn PDF document text
- http://files.nwhsmsa.com/uploads/1/3/1/4/131453394/6048355.pdfIn PDF document text
- http://files.churchesreachout.com/uploads/1/3/1/4/131454692/5168231.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://mokelim.files.wordpress.com/2020/06/gowadozevawo.pdfIn PDF document text
- https://jufenex.files.wordpress.com/2020/06/40963376301.pdfIn PDF document text
- https://jozenomo.files.wordpress.com/2020/06/mizulake.pdfIn PDF document text
- https://kegitemowe.files.wordpress.com/2020/07/xuzejalam.pdfIn PDF document text
- https://vosonowa.files.wordpress.com/2020/07/9307786914.pdfIn PDF document text
- https://xapowiboz.files.wordpress.com/2020/07/31607443702.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/41758367329.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/39748763391.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/19085525902.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/49090326843.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/71062637782.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wevola.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/28068876324.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006579.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6579 | 5400 bytes |
SHA-256: 6517e5552313710b4f396f11388fa035e58a208d4bf02812fc1b1523ec705dbf |
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font_01_sfnt_off000077ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77AB | 13432 bytes |
SHA-256: 96d59e6e97c73e989d7575794c61eab4e887648e159290f60bc4d09e697941fe |
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