MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to domains associated with link farms and redirectors. One critical heuristic identified a link to a known malicious redirector infrastructure. The document body, though heavily obfuscated, contains references to the malicious URL and several benign-looking PDF files hosted on Shopify, likely used to mask the malicious activity. The primary intent appears to be directing users to the malicious URL.
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.club/wix?keyword=weed+eater+twist+n+edge+te475+manual In PDF document text
- http://lotiguji.missnationalbeauty.com/uploads/1/3/2/6/132681300/9479848.pdfIn PDF document text
- http://gotinosan.valleycreekfarm.net/uploads/1/3/1/3/131383483/nelodizenokesepefame.pdfIn PDF document text
- http://nerubotit.butcherpapers.org/uploads/1/3/1/8/131856040/79414b428d850ed.pdfIn PDF document text
- http://files.uesosu.org/uploads/1/3/1/3/131380788/9698132.pdfIn PDF document text
- http://files.alex-vitale.info/uploads/1/3/1/8/131856949/lonatig.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/1/0431/5014/7733/files/multiplying_fractions_worksheets_for_6th_grade.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2500/4706/files/endocannabinoid_system_for_dummies.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7437/8138/files/rejara.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2134/3647/files/1636705010.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1111/3123/files/ludaromafexu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4803/2673/files/ultrasound_guided_1st_cmc_joint_injection.pdfIn PDF document text
- https://b087b17b-675b-4e89-9248-2d0acd42f5f4.filesusr.com/ugd/d5cf39_ea8da1dc8bec4d15b0dd28dc440c6f53.pdf?index=trueIn PDF document text
- https://18d48f7a-bc76-4a0d-9112-941ccdcea8bf.filesusr.com/ugd/b9801a_b8b0ab43f6b3439f9159fa43a0d551d3.pdf?index=trueIn PDF document text
- https://ba1cba4e-a79d-4f2e-9ded-f618c588abbf.filesusr.com/ugd/f9d4cd_653da65c243248cd84c8f2e9566cfa66.pdf?index=trueIn PDF document text
- https://1ffe05e8-1d54-4945-9857-f67696a22dec.filesusr.com/ugd/cb4a18_44c91e29039047d5b6b52c88c45af4cf.pdf?index=trueIn PDF document text
- https://845ab344-ba87-4fab-932a-9930a063fbad.filesusr.com/ugd/374ce0_6db539a4302c466d8641e67c62fb0eba.pdf?index=trueIn 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_off00004a93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4A93 | 5540 bytes |
SHA-256: 31a63a361f46d0e464545daa65df2c204a93b51e13745032d931106d4356db84 |
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font_01_sfnt_off00005d83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D83 | 9816 bytes |
SHA-256: 38ec8fa380d8963edde746fecfd300ba3edabc1cbace2c9fe15e4fd864d041a3 |
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