MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF document contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com, and one critical link to a known malicious redirector. The document body text, though heavily obfuscated, contains the string '4liker apk free old version' and the malicious URL, suggesting a lure for potentially unwanted software or further malicious content. The presence of numerous external links indicates an attempt to manipulate search engine results or distribute content widely.
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=4liker+apk+free++old+version In PDF document text
- http://files.correctplan.info/uploads/1/3/0/8/130874620/gewojexivezanidoneto.pdfIn PDF document text
- http://susatowa.piperpaul.co.za/uploads/1/3/0/7/130775164/dixutebo.pdfIn PDF document text
- http://pezadotuk.aidenlee.net/uploads/1/3/2/8/132815176/8234216.pdfIn PDF document text
- http://tijex.augustiniana.net/uploads/1/3/2/3/132303307/e08d62be5d7.pdfIn PDF document text
- http://sabeso.just-us-justice.com/uploads/1/3/2/8/132815787/zurenorabetejijola.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/1/0434/7917/1222/files/occupational_safety_and_health_notes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7876/9045/files/solid_design_principles_java.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lomapatigusobotatijizu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0940/1254/files/babeburufixigaruf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2417/8600/files/rilido.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8774/8519/files/ata_chapter_24.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2562/9347/files/innumeracy_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6899/5222/files/94587709116.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3103/6053/files/xipemodibikuwetedeneba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6182/1083/files/23813670024.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_off00005941.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5941 | 4860 bytes |
SHA-256: c61961794b501fb07a6e6cf1b438ac5fbb3b67aeefff72c55cb0295ade52fa8c |
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font_01_sfnt_off000069cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69CD | 10780 bytes |
SHA-256: ade69d9a91443784e6717aa3bcf7d79cd2ebc282ab9fd4ff5f63c5898b0a7d06 |
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font_02_sfnt_off00008e67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E67 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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