MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector infrastructure (ttraff.com). The ML classifier strongly flagged this PDF as malicious. The document body, though heavily obfuscated, appears to be related to a worksheet, suggesting a lure. The presence of many links, including to Shopify, indicates an attempt to distribute content or redirect users to malicious sites.
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.com/wb?keyword=limited%20vs%20unlimited%20government%20worksheet In PDF document text
- http://files.blockchaininvestments.nl/uploads/1/3/1/1/131163910/voninovogu.pdfIn PDF document text
- http://files.dearfriendfrank.com/uploads/1/3/0/8/130874031/tirijiduj-bogebebanimavix-nijokomigutozi-kadekolelipeso.pdfIn PDF document text
- http://files.theomrpa.com/uploads/1/3/0/9/130969357/f678f1d0.pdfIn PDF document text
- http://files.chenweimeng.com/uploads/1/3/2/7/132740692/7bfe94808.pdfIn PDF document text
- http://files.auslanstorybooks.com/uploads/1/3/0/9/130969129/05c64.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/1/0429/4233/3087/files/50634018057.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/78682713185.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8215/3112/files/lozivij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3490/1671/files/8964654858.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6259/9586/files/fonumirizipelorediwutos.pdfIn PDF document text
- https://nikisokosulo.files.wordpress.com/2020/07/putur.pdfIn PDF document text
- https://jamuximetuv.files.wordpress.com/2020/06/31537091624.pdfIn PDF document text
- https://vofewutuwoge.files.wordpress.com/2020/06/46029787194.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7699/3695/files/tanexuvanomaxekadukinukur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8402/1921/files/vegokeligozapulagakugax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7727/0692/files/75019851776.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7920/5013/files/96348895470.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4463/3756/files/94775879431.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5477/5970/files/wufigadasutefetepezemoga.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8976/5279/files/wubokoxupofuvegewoxa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6888/3098/files/zoroxetimoj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2402/2677/files/duvonirofoligof.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_off00006c6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C6B | 5068 bytes |
SHA-256: 720bc9cb7de17fa2230782662cbb950c0a50ef648ce0cb08ec93cc6b11f0b1ea |
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font_01_sfnt_off00007d91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D91 | 10224 bytes |
SHA-256: 74d8df6c9e809b77ea4a2393d152191d23d0cb221dcb3a57390cf87092498f31 |
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