MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a link farm designed to redirect users to malicious infrastructure. The primary malicious URL identified is https://ttraff.ru/pify?keyword=android+studio+flutter+format+code, which is flagged as a malicious redirector. The document body, though heavily obfuscated, contains references to 'android studio flutter format code' and the PDF creation tool wkhtmltopdf, suggesting a lure to download or view content related to software development. The presence of numerous external links, many hosted on Shopify, indicates a link farm strategy to obscure the ultimate destination.
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=android+studio+flutter+format+code In PDF document text
- http://futamip.occidentallodge436.com/uploads/1/3/2/8/132814742/d992e8421a.pdfIn PDF document text
- http://files.ginaraehorvathphotography.com/uploads/1/3/2/8/132814155/wodinave.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/1/0430/8706/9348/files/bunuluxon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8882/2950/files/niccolo_machiavelli_the_prince_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0716/5095/files/gexowupizoligukikidot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1248/8343/files/dizovutegam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9799/5941/files/92015302451.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6230/5702/files/52471656144.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/7432/6438/files/alchimiste_francais.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7971/9317/files/lopunesusiwemedizuf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6288/6549/files/zofran_davis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4386/4224/files/florida_new_hire.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0445/8453/4180/files/mental_health_hotline_ring_tone.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_off00006447.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6447 | 5156 bytes |
SHA-256: 1ecb50934d9e1e5630b767466f5ac70a6f2c86a7e0466cbfc2a7b15dc42db023 |
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font_01_sfnt_off000075ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75AB | 5444 bytes |
SHA-256: d0a7f4e18c296bf179fbbe5666c53fe9d028bc4bc880622fd851beee58b1db1d |
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font_02_sfnt_off00008944.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8944 | 10580 bytes |
SHA-256: 4d82e493483df1341c56bf499f2ea33673b18aa5983c5eb8044e702475cdf654 |
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font_03_sfnt_off0000adaf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xADAF | 17376 bytes |
SHA-256: c9777e502424e4dd7dc0329011bcb478617e9065a3a69cfcbc222fafd95be6dd |
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