MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1566.002 Spearphishing Attachment
The PDF contains a lure to install a browser extension, indicated by the heuristic SE_BROWSER_INSTALL_LURE and the embedded URL pointing to 'idm chrome extension crx'. The PDF also hosts a link farm of numerous other PDF files, many hosted on Shopify, with the primary redirector URL being https://ttraff.com/pify. This suggests a social engineering campaign designed to drive traffic to malicious or deceptive content, potentially leading to malware downloads or credential harvesting.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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=idm+chrome+extension+crx++6.+32 In PDF document text
- http://files.jerostique.com/uploads/1/3/0/8/130814017/9565301.pdfIn PDF document text
- http://gitesu.standoutindallas.com/uploads/1/3/1/3/131379732/2446831.pdfIn PDF document text
- http://files.bandofbrothersshakespeare.org/uploads/1/3/2/6/132696056/texudi.pdfIn PDF document text
- http://nibexa.thegenerationloveproject.com/uploads/1/3/2/6/132683071/suzemaj-vezubozatoxelu.pdfIn PDF document text
- http://files.kellieuukelly.com/uploads/1/3/1/4/131438692/656680.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/1/0432/8371/0117/files/samsung_buds_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7208/5406/files/91078206086.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6451/6005/files/namovuneroz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7328/9888/files/96200400439.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4526/5312/files/exam_essentials_cae_vk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4569/0266/files/sakomevilomasikiditezoxu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3153/5509/files/40627325206.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1156/3932/files/a_aware_se.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0942/6079/files/nekumiwozavoxi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3359/9893/files/house_worksheets_for_kindergarten.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0708/0610/files/90081731924.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/luzugojozawok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7532/9441/files/how_to_format_readme._md.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_off000062d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62D7 | 5424 bytes |
SHA-256: cba45dae24205714f26e50f08ec7ddcf86c17c4b3e26c770b92b98d86c902cdd |
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font_01_sfnt_off0000752c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x752C | 10128 bytes |
SHA-256: f3db87c7087ef29ab77f00591926c7f50b32d1a7298df16ba9d17820ed5a48aa |
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