MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the string 'https://ttraff.ru/pify?keyword=avinash+dixit+game+theory+pdf', indicating a lure to disguise malicious activity. The presence of a link farm and a malicious redirector strongly suggests the intent is to lead the user to a compromised or malicious site.
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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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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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=avinash+dixit+game+theory+pdf In PDF document text
- http://files.sistersvacationrentals.net/uploads/1/3/2/3/132302982/4370307.pdfIn PDF document text
- http://files.millhousefloristry.co.uk/uploads/1/3/0/8/130814070/wazapevija.pdfIn PDF document text
- http://vixotafi.pennyfarthingshop.com/uploads/1/3/1/4/131453870/2057459.pdfIn PDF document text
- http://files.ruthworkssf.com/uploads/1/3/1/4/131408465/sozikaxabefobali.pdfIn PDF document text
- http://tojujodop.ofcpineapplepoker.com/uploads/1/3/1/6/131637030/55d38.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0429/2411/4076/files/40508912262.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1771/4338/files/campbell_biology_11th.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5283/4717/files/kakibuziwimojapukuvek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8342/3128/files/88553470516.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4211/0631/files/puxejuxirosal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2749/5072/files/lugaguriluru.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8020/2905/files/xuxalabax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9250/6779/files/carcinoma_folicular_de_tiroides.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9354/1535/files/playboy_magazines_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6693/9799/files/jeff_beck_net_worth.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006900.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6900 | 5432 bytes |
SHA-256: 4b905ca19c7d0d7d8fce6be8c8a6248a5822cd5ba1f94f1a99bcea1dcaab6fcb |
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font_01_sfnt_off00007b4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B4F | 10656 bytes |
SHA-256: 51ccfda39af294159972b2db93ff98db8a1584d732bc7e35fcb5c501fb7733e4 |
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font_02_sfnt_off00009fb2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9FB2 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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