MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains multiple embedded links, with one specifically pointing to a known malicious redirector. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' confirms this, and 'PDF_SEO_LINK_FARM' indicates a large number of outbound links, likely for SEO manipulation or to host further malicious content. The document body, though heavily obfuscated, contains keywords related to the embedded URL, suggesting a lure. The primary attack pattern involves redirecting the user to malicious infrastructure via a deceptive link.
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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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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/wb?keyword=fertilisation%20in%20humans%20pdf In PDF document text
- http://files.schillingtravels.com/uploads/1/3/1/4/131437880/turix-jamiw-tetoxa.pdfIn PDF document text
- http://files.babybulldogs.org/uploads/1/3/1/3/131379828/3060486.pdfIn PDF document text
- http://files.arcanagardens.com/uploads/1/3/1/4/131407734/e2f3a87.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/1/0434/0826/1285/files/81126318311.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/10588857949.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1370/9730/files/88420107656.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6895/6573/files/pojagerolunekodipa.pdfIn PDF document text
- https://vefevomite.files.wordpress.com/2020/06/naxujimakaralilixatob.pdfIn PDF document text
- https://lekiduvurera.files.wordpress.com/2020/06/dinisetox.pdfIn PDF document text
- https://virebon.files.wordpress.com/2020/07/dulif.pdfIn PDF document text
- https://tufasopud692774767.files.wordpress.com/2020/06/zusezorefukezetu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0596/8537/files/tewilekivomolejapewus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7247/1718/files/78683784503.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lasuzopaxikabade.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7529/6677/files/zomilokurutodirofedex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vitalifurefafimeribedewo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1198/0964/files/60013770427.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1047/3633/files/jakomovuwirofisun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5760/8864/files/zagunededinepevizut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0761/4882/files/surab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2511/1967/files/sivonef.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_off000094a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x94A9 | 5120 bytes |
SHA-256: 25ff170f9de7bc4c895c5ac5e831ec33da54c7a2605d480f424448ae73c20ac7 |
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font_01_sfnt_off0000a5e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA5E3 | 10376 bytes |
SHA-256: cecf9ec10d07dcb36bd78862a5fd64466f289a8231400c33bae4d4b1e3989365 |
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