MALICIOUS
210
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.001 PowerShell
The PDF contains a mass external link farm, with many links pointing to Shopify domains hosting PDF files. One critical heuristic indicates a PDF redirector link to 'ttraff.cc', which is known malicious infrastructure. The document body, though heavily obfuscated, contains phrases suggesting urgency and a call-to-action, aligning with the heuristic firings for SE_URGENCY_LURE and SE_DOWNLOAD_BUTTON. The primary attack pattern involves luring the user to click a link that redirects to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=technical+drawing+giesecke+pdf+free In PDF document text
- http://files.forhealthierchildren.org/uploads/1/3/1/4/131406288/5f8cc070565b7d.pdfIn PDF document text
- http://files.vladvieru.com/uploads/1/3/0/7/130776485/afb7589728a.pdfIn PDF document text
- http://files.dharmendhaliah.com/uploads/1/3/1/3/131380899/427d7.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/1/0433/0687/7080/files/mukevomisuso.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6285/3794/files/muzanemagi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6836/6760/files/jowipogamigomenodufa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7111/1330/files/vutumuzesifuta.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2008/2590/files/fopebixosar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5951/9387/files/bujumeliwafomudupizali.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4136/4890/files/gekibefadimusetarosurerex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3672/8726/files/3179115928.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3311/6315/files/ladum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3443/4969/files/6910565719.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3253/4440/files/19728698051.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7745/9365/files/kemolijo.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_off00007fcc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7FCC | 5120 bytes |
SHA-256: 2dc6d0a189627b4458035ec0c97a614586e5529c2e5f842a62e6588e5e5e6849 |
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font_01_sfnt_off00009133.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9133 | 10100 bytes |
SHA-256: bff54d51aad3340a788d37793ab4793f493e526c850e1f0e646f9d61283a1ffd |
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