MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, with one pointing to a known malicious redirector. The document body, though heavily obfuscated, also contains the URL https://ttraff.ru/pify?keyword=causae+et+curae+pdf, suggesting a lure to a malicious site. The presence of numerous links to external PDFs, many hosted on Shopify, indicates a link farm designed to attract traffic.
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=causae+et+curae+pdf In PDF document text
- http://files.writingarguments.com/uploads/1/3/2/6/132683147/6249117.pdfIn PDF document text
- http://files.columbiarivercooperative.com/uploads/1/3/1/4/131437930/454f19dfb972477.pdfIn PDF document text
- http://files.tarjetasyregalosmolonas.com/uploads/1/3/0/7/130739116/3734485.pdfIn PDF document text
- http://files.lisassalonspa.com/uploads/1/3/0/8/130873804/8097881.pdfIn PDF document text
- http://xaluz.razajamiamasjid.org/uploads/1/3/1/4/131438428/sagaxo.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/1/0433/4557/6088/files/zaxazageb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9390/8892/files/2006_honda_rancher.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5162/2306/files/72265080940.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4026/8711/files/76029145068.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8450/4474/files/tinonuz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3393/5515/files/apocryphal_books.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/4509/7365/files/nixezot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1227/5870/files/gebudozasiwebukuvupo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1977/1799/files/fedevan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6666/1800/files/gevogu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6542/5570/files/25700249128.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6489/3345/files/71954966503.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/7149/9416/files/tuzelozedezabidorukudo.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_off00007ed4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7ED4 | 4756 bytes |
SHA-256: 7325166f9d5a2b1b08da6d3f94845a05ce719353bb8094154108a22f250ca504 |
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font_01_sfnt_off00008f10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8F10 | 11680 bytes |
SHA-256: 64bb8b7e8d4adb70d2556a68749402fc002f998b1afb469c6b7fb814c5495e76 |
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font_02_sfnt_off0000b58d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB58D | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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