MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many pointing to a redirector service and then to various PDF files hosted on Shopify and other domains. This pattern is indicative of an SEO link farm or a phishing campaign designed to drive traffic to malicious sites. The ML classifier strongly supports the malicious verdict.
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=background+color+opacity In PDF document text
- http://files.alburghschool.org/uploads/1/3/0/9/130969831/vovidiwe.pdfIn PDF document text
- http://files.ctisports.com/uploads/1/3/0/7/130740477/f101b4c76fad4.pdfIn PDF document text
- http://files.carolynwagnerdesign.com/uploads/1/3/1/0/131070846/lidagozutatot-zerananebet-domoverir-zaravufapefi.pdfIn PDF document text
- http://files.seasonstravels.com.au/uploads/1/3/2/6/132682134/c8e6739eb7205cb.pdfIn PDF document text
- http://files.coventryvineyard.org/uploads/1/3/1/3/131383924/lepukexoger_zomusagunag_jozotawurinaba_notog.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/1/0433/0687/7080/files/zimupumunilojoduwa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0896/6301/files/jubirelafikakuzaripejo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8774/9525/files/zosizasolivezoxozobab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4055/5676/files/gufonojumugiwidab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5888/6806/files/buzakurofibodavate.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/20597849085.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7945/1295/files/rifubimifubitofaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/49181926903.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1211/8952/files/minecraft_education_edition_apk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5832/3865/files/denotalivuber.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8734/7364/files/ribosibigoke.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4143/0440/files/dolop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8054/8503/files/lojixiwunififivojuv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8197/1365/files/88710611243.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1231/6584/files/37354855231.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_off00006932.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6932 | 5040 bytes |
SHA-256: bcaf659284cc16599152853018ba37b3660c426240725a52694a0c65d318e9b9 |
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font_01_sfnt_off00007a64.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A64 | 14712 bytes |
SHA-256: 342673197cf9675b92a501f49ab37e636e4eb52946903111569b71e5bb7cbcd1 |
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font_02_sfnt_off0000a850.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA850 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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