MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.cc, which is disguised as educational content. This redirector likely leads to a malicious payload or phishing page. The document also exhibits characteristics of a link farm, with numerous embedded URLs pointing to various external resources, many of which are hosted on Shopify. The ML classifier strongly indicated 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=conjunctions+worksheets+5th+grade+pdf
- http://mojuz.unitedmissionsofhope.org/uploads/1/3/0/8/130814328/riwopela_zimulolowuk_safasapo.pdf
- http://files.kingskidzchristianpreschool.net/uploads/1/3/1/4/131438137/5744897.pdf
- http://files.merynncandles.com/uploads/1/3/1/1/131164202/soliz.pdf
- http://fifono.drbarrnd.com/uploads/1/3/1/4/131453574/7609047.pdf
- https://cdn.shopify.com/s/files/1/0429/8155/6375/files/miraie_osu_skin.pdf
- https://cdn.shopify.com/s/files/1/0435/6574/4287/files/benzodiazepinas_en_el_anciano.pdf
- https://cdn.shopify.com/s/files/1/0432/7519/0422/files/69927599241.pdf
- https://cdn.shopify.com/s/files/1/0431/5398/1594/files/measurable_organizational_value.pdf
- https://cdn.shopify.com/s/files/1/0429/1634/8057/files/58629660901.pdf
- https://cdn.shopify.com/s/files/1/0434/5475/9065/files/68618390730.pdf
- https://cdn.shopify.com/s/files/1/0432/6473/7448/files/20721724876.pdf
- https://cdn.shopify.com/s/files/1/0430/9411/4465/files/54521942969.pdf
- https://cdn.shopify.com/s/files/1/0439/3402/3848/files/circulacion_utero_placentaria.pdf
- https://cdn.shopify.com/s/files/1/0436/7892/4953/files/28411026210.pdf
- https://cdn.shopify.com/s/files/1/0434/7301/0845/files/mawedivas.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/
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000067eb.bin5ca3070b49acee04a3605a99d68af00428a67d22fc3fa3bd53a3a515a3d97e0c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67EB | 5648 bytes |
font_01_sfnt_off00007b41.bin4e449bb2252c6d670932fe82371141027249634ab7e68307fff25613c836f74a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B41 | 10296 bytes |
font_02_sfnt_off00009e98.bin0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E98 | 4324 bytes |
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