MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with one specifically identified as a malicious redirector. The document body, though heavily obfuscated, contains text suggesting it is an ebook, which is a common lure. The presence of many external PDF links, some pointing to benign Shopify URLs and others to unknown domains, indicates a link farm strategy. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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/pify?keyword=actuarial+mathematics+ebook+pdf
- http://files.moranenterprises.com/uploads/1/3/1/8/131856723/be1151cbc9afd.pdf
- http://files.adventurebiologist.com/uploads/1/3/1/3/131380337/5184942.pdf
- http://files.eih111.com/uploads/1/3/1/3/131380604/geled_fewizogofa_silole.pdf
- http://files.ahrchurch.org/uploads/1/3/1/8/131856498/2c252b4.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/8694/6206/files/vagusebobog.pdf
- https://cdn.shopify.com/s/files/1/0432/4481/4500/files/wusujudim.pdf
- https://cdn.shopify.com/s/files/1/0440/8157/8136/files/votipedilamusa.pdf
- https://cdn.shopify.com/s/files/1/0437/7106/8577/files/bwv_565_guitar.pdf
- https://cdn.shopify.com/s/files/1/0430/6472/1562/files/sims_3_registration_code.pdf
- https://cdn.shopify.com/s/files/1/0429/2119/7724/files/43925590046.pdf
- https://cdn.shopify.com/s/files/1/0437/4131/5223/files/beira_alta_menu.pdf
- https://cdn.shopify.com/s/files/1/0437/8080/0674/files/pewovevekejalo.pdf
- https://cdn.shopify.com/s/files/1/0431/2308/1378/files/zujudusivudovi.pdf
- https://cdn.shopify.com/s/files/1/0436/1604/3168/files/54532243930.pdf
- https://cdn.shopify.com/s/files/1/0434/5610/2565/files/nefeguvilomidowo.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007536.bin42a70a7801dcd3498058dd8939bd44fd9e1a812b33171c2f569c6b3afa9d2778 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7536 | 5588 bytes |
font_01_sfnt_off0000880a.bin525790deb7ea4e92261392a7805969194df6eb643264a03b6a4ae33e6d23becb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x880A | 10820 bytes |
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