MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1200 Hardware Add-in
T1059.001 PowerShell
The PDF document was flagged as malicious by a machine learning classifier and contains a critical heuristic indicating it links to known malicious redirector infrastructure. The document body, though partially corrupted, contains the URL 'https://ttraff.com/pify?keyword=tipos+de+angulos+geometria+pdf', which is also listed as a malicious redirector. Additionally, the PDF exhibits characteristics of a link farm, embedding numerous external links, many of which point to Shopify domains hosting other PDFs. This suggests a tactic to distribute malicious links or content through a seemingly innocuous PDF.
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=tipos+de+angulos+geometria+pdf In PDF document text
- http://files.drkesconcrete.com/uploads/1/3/2/3/132303068/xivapexur-benuxojoxaw-pezesavuruza-zodonozaxu.pdfIn PDF document text
- http://files.phillipsburgcomiccon.com/uploads/1/3/1/8/131856569/jumagepapije_nixonuzuxi_fawiwa.pdfIn PDF document text
- http://files.ihbhawaii.com/uploads/1/3/1/3/131380627/tedif-ketoxareseso-gebira-rexilunuvefajox.pdfIn PDF document text
- http://pixigagur.kwenchjuicetucson.com/uploads/1/3/1/3/131398140/gukixegegudazew.pdfIn PDF document text
- http://files.kingwoodmusikgarten.com/uploads/1/3/1/3/131384401/9337632.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/1/0441/4016/7320/files/26700621074.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2744/5413/files/infosphere_data_architect.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4705/0661/files/bonaparte_s_retreat_line_dance.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7007/8617/files/40425884758.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6815/2216/files/36135081434.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1481/4885/files/29488405157.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4715/7914/files/85227068522.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3391/9645/files/surat_al_kahfi_latin_dan_artinya.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1773/1229/files/spatial_autocorrelation_adalah.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0032/3478/files/zewutewi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/0663/7726/files/romazicon_davis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3689/1544/files/sosonukafaroteb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8451/3429/files/31752247329.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000080d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80D6 | 5308 bytes |
SHA-256: caa4c8dcab77ba123cb4e403a9902feb91252aa41a4757f6fba25b5133ea2463 |
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font_01_sfnt_off000092cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x92CC | 13104 bytes |
SHA-256: e9255b6f8118d7d9fdcfff2b0a15bb3d1cc665fb25d01107daced59a9f9c9200 |
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font_02_sfnt_off0000bc72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC72 | 16316 bytes |
SHA-256: 73a4d67f67600199fd6d28dfa25affb1ca65c2fa46a75880e172e4fa2e0cd25a |
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