MALICIOUS
170
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of these links, 'https://ttraff.cc/pify?keyword=facebook++for+nokia+c3', is identified as a malicious redirector. The document also contains a visual download button lure, suggesting a social engineering attempt to trick the user into clicking the malicious link. The ultimate goal appears to be directing users to a collection of PDFs, likely for further malicious activity or to inflate SEO metrics for malicious purposes.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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SEO-redirector lure link (multi-word utm_term) low PDF_SEO_UTM_REDIRECTOR_LINKPDF contains a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the search-keyword gateway used by the 'free document download' phishing family. Surfaced as an IOC; on its own this is a low-confidence signal.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.cc/pify?keyword=facebook++for+nokia+c3 In PDF document text
- http://zimizutef.masterclassbudapest.com/uploads/1/3/2/8/132815176/mugit-kunivekowijo-xosorukafedasi.pdfIn PDF document text
- http://files.brehenderson.com/uploads/1/3/0/7/130739856/fabenurelutaza_dajami.pdfIn PDF document text
- http://files.mhfaraj.net/uploads/1/3/1/1/131163772/7647663.pdfIn PDF document text
- http://jopiw.alittledevotion.net/uploads/1/3/1/4/131437984/9424280.pdfIn PDF document text
- http://tubosixe.darbodus.com.au/uploads/1/3/0/8/130874063/1814bdbd63660.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/1/0439/3464/6440/files/jovipufiwegasujujowudu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8343/2096/files/buvugizaxebu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6960/2981/files/63265267465.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6527/7605/files/56722829703.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/4320/4765/files/varillas_roscadas_medidas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4584/5152/files/puliba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1524/1891/files/gdpr_right_to_be_forgotten_request_template.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2136/8482/files/kebiririzu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6945/7063/files/luwutolijik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4681/3346/files/apple_iphone_8_specs.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/6145/0654/files/igcse_additional_mathematics_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5892/9570/files/office_attendance_format_in_excel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3462/3643/files/79425870982.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_off000064b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64B1 | 4988 bytes |
SHA-256: 28ac32f24184e5a9b40151432c60ea3e3223b3bcad073eb38d91e9adc7c3de2b |
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font_01_sfnt_off000075c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75C2 | 10708 bytes |
SHA-256: 9ec31be4cfe7797d58f46245b0d04ae79f550fce7c1186e1508e76964f1a0fdc |
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