MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass of external links, many pointing to Shopify domains, designed to appear as educational resources. One critical heuristic indicates a malicious redirector link to 'ttraff.ru', suggesting a phishing or malware distribution attempt. The ML classifier strongly supports the malicious verdict. No scripts were extracted, but the document body and heuristics indicate a link-farming and redirection attack pattern.
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=year+5+spelling+activities+pdf In PDF document text
- http://files.saurabhsinghonline.com/uploads/1/3/1/0/131071151/lijira-kuxebavivaguwi-fajiv.pdfIn PDF document text
- http://files.sweet-greetings.com/uploads/1/3/1/3/131384070/bemivenurixomumuburi.pdfIn PDF document text
- http://bifoj.courtneytezeno.com/uploads/1/3/1/4/131453133/rokudekavuw.pdfIn PDF document text
- http://files.iam4spiritmechanics.com/uploads/1/3/2/6/132681295/dd9a688d8ba1aa.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/1/0429/0985/9999/files/wadekuresix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/womonevixaxijebuvi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9515/5105/files/26949432909.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8406/3654/files/71545759518.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8858/4605/files/form_n-_445.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6750/6849/files/kepugakenazapuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8697/0018/files/34606266401.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1828/8277/files/lugamufumakuvifose.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8380/9443/files/pa_schedule_sp.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5865/8456/files/76126541188.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0869/5200/files/pixaxinujuvakopiwetuku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9875/8557/files/pewogululazewejoteliw.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000062f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62F4 | 6740 bytes |
SHA-256: 68032a420e4a13d6e11cb9af8c4326406a16df729921b020c63c9bf8f5102b75 |
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font_01_sfnt_off000073c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73C9 | 5468 bytes |
SHA-256: fcdc6798cde152d68a85c664b40a55428929cde7e9cd11ace2ed7497da7a6ee9 |
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font_02_sfnt_off00008681.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8681 | 13668 bytes |
SHA-256: 48d7bd704a3ccec1f227b8836bf02203e1d91a4bf8b98dffc714dc12459f38e8 |
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font_03_sfnt_off0000b137.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB137 | 16328 bytes |
SHA-256: 085576db18bb0fc782250241abecc7e2760275121a9b893a05600fa9329c440f |
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