MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to known malicious redirectors or link farms. The primary malicious URL identified is https://ttraff.com/pify?keyword=grammar+games+and+activities+1+pdf, which is used to redirect users to further malicious content. The ML classifier strongly indicated maliciousness, supporting the heuristic findings.
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=grammar+games+and+activities+1+pdf
- http://files.coachhousecochins.com/uploads/1/3/0/7/130740065/fadalupilisivex_dirulomukamuvet_vekuwuporumo.pdf
- http://files.impactremaps.co.uk/uploads/1/3/1/8/131860060/tolipaz-wikijobunosiwi-vuzegedidipifiw.pdf
- http://files.alexanderswoodfloors.com/uploads/1/3/0/7/130739533/8f6b463ca3f.pdf
- http://files.vibrantlifechiropractic.com/uploads/1/3/1/8/131857580/rowufeverokesim.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/1905/9868/files/soda_free_trial.pdf
- https://cdn.shopify.com/s/files/1/0437/8876/3298/files/vocabulary_test_grade_6.pdf
- https://cdn.shopify.com/s/files/1/0430/6904/6935/files/3600_minutes_to_hours.pdf
- https://cdn.shopify.com/s/files/1/0438/5390/6080/files/sejesuxiru.pdf
- https://cdn.shopify.com/s/files/1/0430/1327/5811/files/folizodebagefunopujavi.pdf
- https://cdn.shopify.com/s/files/1/0431/7347/8560/files/5905539051.pdf
- https://cdn.shopify.com/s/files/1/0449/8941/5583/files/cancer_tete_du_pancreas.pdf
- https://cdn.shopify.com/s/files/1/0432/5100/7638/files/lewalusanamebikuf.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/85947343199.pdf
- https://cdn.shopify.com/s/files/1/0432/8475/8696/files/5583575897.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_off00006dc9.bin59e0c1ffd985d3baa0a58e24644d4b9744805a771ce6a027e546a2c3d62e2ab9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DC9 | 5584 bytes |
font_01_sfnt_off000080c5.binfe54f285df889b13ecfe189e39ad1420160813ed3c0c8c30bffe7d18d348402a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80C5 | 10140 bytes |
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