MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, with a critical heuristic firing for a malicious redirector. The document body explicitly contains the URL 'https://ttraff.com/pify?keyword=citrix+receiver+ubuntu', which is likely intended to trick users into downloading malicious software or visiting a phishing page. The presence of numerous shopify.com links suggests a link farm technique to improve search engine ranking for malicious content.
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.com/pify?keyword=citrix+receiver+ubuntu In PDF document text
- http://files.rareearthsmiths.com/uploads/1/3/1/8/131871494/5153787.pdfIn PDF document text
- http://files.thegeekyside.com/uploads/1/3/1/4/131452872/24daa.pdfIn PDF document text
- http://files.zuhoorinternational.com/uploads/1/3/1/3/131398139/sawoped_sulepag_pemilo.pdfIn PDF document text
- http://files.tgbtgsports.com/uploads/1/3/0/7/130739570/fuxule-disoju-kifapafikewiz-pasitefox.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/1/0428/2567/9015/files/romijikesakolumavu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5417/8216/files/fusavoxopaxuzotejibidu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2174/5822/files/fabomariritowugenaxobuped.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3264/9636/files/tasowerimetew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7783/6702/files/sunuwaveme.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0866/3457/files/renovogerifafimabelexuxaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0615/6190/files/basamojowolixewi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3030/6203/files/7986954982.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6974/4028/files/pixoleruse.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0741/8273/files/gofodutavusuziletivip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2640/7833/files/62756556731.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6100/9829/files/33606328128.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6839/1591/files/19322409303.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9342/5316/files/vojono.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1104/7575/files/lukokadabuwe.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_off0000678d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x678D | 4548 bytes |
SHA-256: ef619fe2d70b01b79e7f93165711977fda9bb17ce160468affbdc4749c54f8a0 |
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font_01_sfnt_off0000771c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x771C | 10180 bytes |
SHA-256: c4ab0878da1fd1a6730bacaff7ec47a4faecf6a66fb49c3a65446283730eda72 |
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