MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=statistical+inference+problems+and+solutions+pdf', suggesting a lure to external malicious content. The presence of a large number of links, many hosted on Shopify, indicates a link farm designed to obscure the ultimate destination and potentially leverage benign-looking domains.
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=statistical+inference+problems+and+solutions+pdf In PDF document text
- http://files.staytunedenergyhealing.com/uploads/1/3/0/7/130739214/6868867.pdfIn PDF document text
- http://files.theplaymakermanager.com/uploads/1/3/1/0/131069890/3940338.pdfIn PDF document text
- http://lodimal.lionscb.org/uploads/1/3/0/7/130738837/bifixupoxatumaleg.pdfIn PDF document text
- http://files.ctartlist.com/uploads/1/3/2/3/132303410/6094397.pdfIn PDF document text
- http://tijepub.leblancconsulting.net/uploads/1/3/1/6/131606490/fetidagef_wazize.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/1/0440/7430/3640/files/antigone_oxford.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3156/8277/files/23644998942.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1126/0062/files/14456340688.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2823/3887/files/41534561219.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1321/8210/files/xaziporimiwenakuka.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8292/3676/files/53749188735.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6495/0938/files/voduvefur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8502/8758/files/lupemoxefaxozorob.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5345/7320/files/33652450937.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0327/3628/files/16933657589.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5552/1695/files/44897106023.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/9799/4904/files/gerowegotogepidoxu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5045/0600/files/47319439677.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_off00005583.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5583 | 5424 bytes |
SHA-256: 840605990ddca9b1e18861d41189cac9ae2b33ce52436189bd0d6aa14354acca |
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font_01_sfnt_off000067bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67BF | 10260 bytes |
SHA-256: f9ffd1abcf58ad2e956a35cca5840b98b84d95ef41784643c608a8753f0f036e |
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font_02_sfnt_off00008ac8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8AC8 | 4324 bytes |
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
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