MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF file contains numerous links, identified as a link farm, designed to redirect users to malicious content. One prominent link, 'https://ttraff.com/pify?keyword=array+in+java+notes+pdf', is flagged as malicious. The document body, though heavily obfuscated, contains this same URL, suggesting a social engineering lure to trick users into clicking the link. The presence of a link farm and a malicious redirector indicates a phishing or malware distribution attempt.
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.com/pify?keyword=array+in+java+notes+pdf In PDF document text
- http://files.bathbombbootcamp.com/uploads/1/3/1/8/131860125/1c16f2f4f1.pdfIn PDF document text
- http://files.onesquareworld.org/uploads/1/3/1/3/131379615/sekadem.pdfIn PDF document text
- http://risotim.spartanburgscottishrite.com/uploads/1/3/0/9/130969754/58809ac.pdfIn PDF document text
- http://files.saravongillern.com/uploads/1/3/2/3/132302824/7244669.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/1/0433/6330/3575/files/jusonixe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6678/5949/files/zafekabo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2411/4076/files/witopokovamafi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6332/8411/files/8819533528.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0352/5790/files/15802456072.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9316/4181/files/wutusinor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kupesuditijativerawepafu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7618/1400/files/death_of_ivan_ilyich_sparknotes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8044/1238/files/xojewomuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5837/9417/files/78028450962.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5844/5979/files/xalar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0911/3253/files/probiotics_davis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4397/0463/files/komekefijabawobebububotu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7578/8184/files/kaxemarekesinidinula.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7729/5521/files/jifiv.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_off0000c3ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3FF | 5228 bytes |
SHA-256: f5758f632f6db1797067303fc3ae8b4a36ffa3e169c209b123d92849437afea7 |
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font_01_sfnt_off0000d5ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5EF | 13912 bytes |
SHA-256: dd9db320fdaa00c42dadd5a3427e45ca9d8ad9938d387bb5240afeaa1d6bd229 |
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