MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a known malicious redirector, `https://ttraff.cc/pify?keyword=experimental+design+science+worksheets`, which is likely intended to lead the user to a malicious site. Additionally, the PDF hosts a large number of external links, many pointing to Shopify-hosted PDFs, suggesting a link farm or SEO manipulation tactic. The ML classifier strongly indicates maliciousness.
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.cc/pify?keyword=experimental+design+science+worksheets
- http://files.destinationconsensusequus.com/uploads/1/3/1/4/131407135/lobisugupefubej.pdf
- http://zebivefi.meganlewis1illustrator.com/uploads/1/3/0/7/130775388/wuxexovinasar.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0438/7618/8315/files/rewuxajuzaxikel.pdf
- https://cdn.shopify.com/s/files/1/0436/2836/3939/files/thumbs_up_in_text.pdf
- https://cdn.shopify.com/s/files/1/0438/2703/6322/files/the_java_tutorial_sixth_edition.pdf
- https://cdn.shopify.com/s/files/1/0430/6255/8874/files/21953169236.pdf
- https://cdn.shopify.com/s/files/1/0432/2285/9943/files/96824197506.pdf
- https://cdn.shopify.com/s/files/1/0434/8719/9394/files/adverbial_phrases_examples.pdf
- https://cdn.shopify.com/s/files/1/0429/8512/8099/files/xovipunelovadok.pdf
- https://cdn.shopify.com/s/files/1/0435/8812/4831/files/20550929314.pdf
- https://cdn.shopify.com/s/files/1/0432/7184/8100/files/19849630833.pdf
- https://cdn.shopify.com/s/files/1/0438/1537/0912/files/lopisoboxo.pdf
- https://cdn.shopify.com/s/files/1/0435/6440/0798/files/pathfinder_retraining_feats.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_off00005c2e.bin730805934e43a89e62816b42d0a9d0742e86734867632565a75da9da1770275f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C2E | 5668 bytes |
font_01_sfnt_off00006f62.bin9bf56bc1fefcc80445348f2fab33f26a1c2eb39baa77b2768595e7930383b464 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F62 | 9996 bytes |
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