MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF document exhibits characteristics of a link farm, with numerous embedded URLs pointing to external resources. One critical heuristic identifies a link to a known malicious redirector, `https://ttraff.ru/pify?keyword=stevie+ray+vaughan+net+worth`, indicating a potential phishing or malware distribution attempt. The presence of many Shopify-hosted PDF links suggests an attempt to obscure the true malicious intent by leveraging seemingly benign hosting platforms. The ML classifier also strongly flagged this PDF as malicious.
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/pify?keyword=stevie+ray+vaughan+net+worth In PDF document text
- http://files.clairemanwani.com/uploads/1/3/2/7/132740900/5249915.pdfIn PDF document text
- http://files.leedsdeckingandfencing.com/uploads/1/3/0/7/130739315/furabuwejeg.pdfIn PDF document text
- http://files.leafingthroughbooksandtea.com/uploads/1/3/2/6/132681713/338398.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/1/0430/7327/4018/files/tamemaxusowor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/34680977850.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5042/5750/files/jigaxasorovadebaralov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/5371/7406/files/muvetigitifawarafijiva.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0660/7012/files/9409630438.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1504/4245/files/gorizurugo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1445/3410/files/nagatorofokojoraso.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5240/0789/files/discord_custom_font.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8155/5350/files/figalujujoguni.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/27150836515.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8764/1241/files/tumomobupa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3985/7572/files/dekujarazipivufitafeko.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
🗂 Part of campaign:
leafingthroughbooksandtea.com
3 samples
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00015635.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15635 | 5092 bytes |
SHA-256: 747294131af6f7c321a64a16b8b6c0c391a10b324dcc52934b6579c3d101301d |
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font_01_sfnt_off0001679c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1679C | 10640 bytes |
SHA-256: f23ac1f9bf3ab43449afc6ce5ca0a0bfa399d6741ae2b3f9e3bf57b695175ca2 |
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