MALICIOUS
210
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm and a malicious redirector, indicating a phishing or scam attempt. The document body, though heavily corrupted, contains text related to a 'free chess app' and a call to action, aligning with the 'SE_URGENCY_LURE' and 'SE_DOWNLOAD_BUTTON' heuristics. The primary malicious IOC is the redirector URL, which is used to funnel victims to further 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.com/pify?keyword=free+chess+app+for+android+and+iphone In PDF document text
- http://files.soglitudes.com/uploads/1/3/1/4/131483662/934fd22bd53afd5.pdfIn PDF document text
- http://teperuto.momsfreeminute.com/uploads/1/3/1/4/131437601/peduxegogomip-petavevawoturov.pdfIn PDF document text
- http://files.alabamaheritage.com/uploads/1/3/0/8/130874495/f2cae61db.pdfIn PDF document text
- http://votave.monbaptistassociation.com/uploads/1/3/0/9/130969204/2719365.pdfIn PDF document text
- http://files.aliceannephotography.com/uploads/1/3/1/3/131379447/xisejexopore.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/1/0438/3421/2509/files/80678440506.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9581/7382/files/84888642829.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2740/6746/files/tinkers_construct_cheat_sheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0389/6230/files/absorcion_de_calcio.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5136/8104/files/77374969862.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5547/1006/files/33417633271.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2778/4099/files/27537036732.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6631/7205/files/puxemovixejusiminuvomiki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7152/8344/files/astrology_houses.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/1935/1710/files/heterogeneous_catalysis_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7062/6723/files/gemagabuzuwivonerajox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6986/6133/files/mosabuxidarunasopepala.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5064/5157/files/jovefuxajogulapoxofi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4217/6150/files/7930301168.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_off00008077.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8077 | 5168 bytes |
SHA-256: 0c178c7a3b00255cbe3985e0393404a3474a6148a11f8d8da12fc37c22903346 |
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font_01_sfnt_off00009203.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9203 | 10748 bytes |
SHA-256: dc7b6f1a36e108ff78cccc094f04ef6c476426920d9bb7b1321fa6100523f112 |
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