MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains URLs that appear to be part of a link farm designed to attract search engine traffic. The primary malicious URL is https://ttraff.ru/pify?keyword=java+spring+mvc+tutorial+pdf, which likely serves as a gateway to further malicious content.
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=java+spring+mvc+tutorial+pdf In PDF document text
- http://files.my-h-anonymous.club/uploads/1/3/0/7/130740625/zeregufunad.pdfIn PDF document text
- http://files.ascensionretreats.com.au/uploads/1/3/1/6/131637081/8710105.pdfIn PDF document text
- http://jopiz.techtalkpd.com/uploads/1/3/1/6/131606490/sovimivonunu.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/1/0439/3045/2123/files/kesumigewo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2170/5124/files/57822242476.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3573/7764/files/90459191756.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5778/3718/files/vufuzeguxega.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5496/4631/files/53897748578.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5857/7046/files/six_sigma_black_belt_project_examples.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3909/6986/files/60616170331.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5780/6486/files/politica_de_calidad_definicion.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6934/8763/files/boeing_737_maintenance_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6579/4965/files/dorefetavemogad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1358/7623/files/rakuzisatesakijijolemivax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4375/7992/files/70374633627.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
- 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_off000064ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64AD | 5524 bytes |
SHA-256: 0c0a6b196b5c4b0d5794dd6238835f8a7febc6a970ac95f69301f79017ac7ec1 |
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font_01_sfnt_off00007767.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7767 | 1800 bytes |
SHA-256: e9a5a1f6ed95b1e3669933bb00002ad32a1708c3e0b735191cad5e02368a6c7d |
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font_02_sfnt_off00007ff5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7FF5 | 15704 bytes |
SHA-256: 77dcdf111877a0bd8814ff204539377ece079cf837865efb032f9e1fbce92bbb |
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font_03_sfnt_off0000b0c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0C4 | 16204 bytes |
SHA-256: a95eff378c135b1ab40d10b3cd1da1bafbc07f86005f57898d079c90d712ddbd |
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