MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 Malicious Link
T1059.001 PowerShell
This PDF document was flagged by a machine learning classifier and contains a critical heuristic indicating it links to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the URL https://ttraff.com/pify?keyword=chupke+chupke+dj+song, which is likely the primary malicious payload delivery mechanism. The presence of numerous other links to PDF files hosted on Shopify suggests a link farm designed to obscure the ultimate destination and potentially leverage the benign reputation of the Shopify domain.
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=chupke+chupke+dj+song In PDF document text
- http://files.michellexiao.net/uploads/1/3/1/6/131607346/xugex-xotosuzunixovir-kuvareduxifo-fufetatarifu.pdfIn PDF document text
- http://papegawuf.stretch-n-growop.com/uploads/1/3/2/6/132681218/zenet_balidewaz.pdfIn PDF document text
- http://files.ezra728.org/uploads/1/3/1/6/131606874/6664519.pdfIn PDF document text
- http://files.pgpeeweebooster.org/uploads/1/3/1/3/131383580/mejifajeleve.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/1/0431/9969/2958/files/juzolewexixom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7263/4533/files/gotoritogixulog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2534/9273/files/arabic_alphabet_letters.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1129/2829/files/ssc._nic._in_answer_key_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5586/5243/files/buwutabimafejuxufuruwir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5100/5590/files/pikudedikewo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5861/6733/files/26499791211.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4445/4056/files/pre_algebra_rules.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6488/5402/files/mopegimanakumorowepopime.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2411/3049/files/contract_termination_letter_template_uk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3449/9493/files/bozededukomowogememorejon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6042/8962/files/xozarux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7594/5113/files/29997681627.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_off00004a72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4A72 | 5040 bytes |
SHA-256: d311a36929cb055816a2a016a338d1a8ec862814bbd1e8772549a8f6e143c82b |
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font_01_sfnt_off00005ba0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BA0 | 15092 bytes |
SHA-256: 13b5aba2d0824d9ea8a67e0065846c2d08c0a261ce230a696c09a392cf6018ab |
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